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Finding the Fourth Proportional to 175,324.40, 262,986.60 and 86,591.60

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Solution

The fourth proportional to 175,324.40, 262,986.60 and 86,591.60 is: 129,887.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,324.40 : 262,986.60 = 86,591.60 : x
  2. Step 2: Convert to fraction form
    175,324.40/262,986.60 = 86,591.60/x
  3. Step 3: Cross multiply
    175,324.40x = 262,986.60 × 86,591.60
  4. Step 4: Simplify right side
    175,324.40x = 22,772,430,472.56
  5. Step 5: Solve for x
    x = 22,772,430,472.56/175,324.40
  6. Step 6: Final answer
    x = 129,887.40

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