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Finding the Fourth Proportional to 657,968.30, 986,952.45 and 258,622.10

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Solution

The fourth proportional to 657,968.30, 986,952.45 and 258,622.10 is: 387,933.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,968.30 : 986,952.45 = 258,622.10 : x
  2. Step 2: Convert to fraction form
    657,968.30/986,952.45 = 258,622.10/x
  3. Step 3: Cross multiply
    657,968.30x = 986,952.45 × 258,622.10
  4. Step 4: Simplify right side
    657,968.30x = 255,247,715,219.15
  5. Step 5: Solve for x
    x = 255,247,715,219.15/657,968.30
  6. Step 6: Final answer
    x = 387,933.15

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