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Finding the Fourth Proportional to 577,856.80, 866,785.20 and 368,423.20

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Solution

The fourth proportional to 577,856.80, 866,785.20 and 368,423.20 is: 552,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,856.80 : 866,785.20 = 368,423.20 : x
  2. Step 2: Convert to fraction form
    577,856.80/866,785.20 = 368,423.20/x
  3. Step 3: Cross multiply
    577,856.80x = 866,785.20 × 368,423.20
  4. Step 4: Simplify right side
    577,856.80x = 319,343,777,096.64
  5. Step 5: Solve for x
    x = 319,343,777,096.64/577,856.80
  6. Step 6: Final answer
    x = 552,634.80

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