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Finding the Fourth Proportional to 88,695.60, 133,086.60 and 67,628.40

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Solution

The fourth proportional to 88,695.60, 133,086.60 and 67,628.40 is: 101,475.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,695.60 : 133,086.60 = 67,628.40 : x
  2. Step 2: Convert to fraction form
    88,695.60/133,086.60 = 67,628.40/x
  3. Step 3: Cross multiply
    88,695.60x = 133,086.60 × 67,628.40
  4. Step 4: Simplify right side
    88,695.60x = 9,000,433,819.44
  5. Step 5: Solve for x
    x = 9,000,433,819.44/88,695.60
  6. Step 6: Final answer
    x = 101,475.54

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