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Finding the Fourth Proportional to 74,418.40, 111,630.84 and 36,996.40

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Solution

The fourth proportional to 74,418.40, 111,630.84 and 36,996.40 is: 55,496.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,418.40 : 111,630.84 = 36,996.40 : x
  2. Step 2: Convert to fraction form
    74,418.40/111,630.84 = 36,996.40/x
  3. Step 3: Cross multiply
    74,418.40x = 111,630.84 × 36,996.40
  4. Step 4: Simplify right side
    74,418.40x = 4,129,939,208.98
  5. Step 5: Solve for x
    x = 4,129,939,208.98/74,418.40
  6. Step 6: Final answer
    x = 55,496.21

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