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Finding the Fourth Proportional to 264,891.12, 397,336.20 and 186,356.40

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Solution

The fourth proportional to 264,891.12, 397,336.20 and 186,356.40 is: 279,534.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,891.12 : 397,336.20 = 186,356.40 : x
  2. Step 2: Convert to fraction form
    264,891.12/397,336.20 = 186,356.40/x
  3. Step 3: Cross multiply
    264,891.12x = 397,336.20 × 186,356.40
  4. Step 4: Simplify right side
    264,891.12x = 74,046,143,821.68
  5. Step 5: Solve for x
    x = 74,046,143,821.68/264,891.12
  6. Step 6: Final answer
    x = 279,534.26

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