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Finding the Fourth Proportional to 88,405.80, 132,608.70 and 60,412.20

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Solution

The fourth proportional to 88,405.80, 132,608.70 and 60,412.20 is: 90,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,405.80 : 132,608.70 = 60,412.20 : x
  2. Step 2: Convert to fraction form
    88,405.80/132,608.70 = 60,412.20/x
  3. Step 3: Cross multiply
    88,405.80x = 132,608.70 × 60,412.20
  4. Step 4: Simplify right side
    88,405.80x = 8,011,183,306.14
  5. Step 5: Solve for x
    x = 8,011,183,306.14/88,405.80
  6. Step 6: Final answer
    x = 90,618.30

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