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Finding the Fourth Proportional to 541,322.88, 812,066.31 and 392,684.78

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Solution

The fourth proportional to 541,322.88, 812,066.31 and 392,684.78 is: 589,086.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,322.88 : 812,066.31 = 392,684.78 : x
  2. Step 2: Convert to fraction form
    541,322.88/812,066.31 = 392,684.78/x
  3. Step 3: Cross multiply
    541,322.88x = 812,066.31 × 392,684.78
  4. Step 4: Simplify right side
    541,322.88x = 318,886,076,227.43
  5. Step 5: Solve for x
    x = 318,886,076,227.43/541,322.88
  6. Step 6: Final answer
    x = 589,086.64

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