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Finding the Fourth Proportional to 591,713.20, 887,569.80 and 217,687.60

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Solution

The fourth proportional to 591,713.20, 887,569.80 and 217,687.60 is: 326,531.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,713.20 : 887,569.80 = 217,687.60 : x
  2. Step 2: Convert to fraction form
    591,713.20/887,569.80 = 217,687.60/x
  3. Step 3: Cross multiply
    591,713.20x = 887,569.80 × 217,687.60
  4. Step 4: Simplify right side
    591,713.20x = 193,212,939,594.48
  5. Step 5: Solve for x
    x = 193,212,939,594.48/591,713.20
  6. Step 6: Final answer
    x = 326,531.40

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