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Finding the Fourth Proportional to 104,488.60, 156,732.90 and 88,742.20

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Solution

The fourth proportional to 104,488.60, 156,732.90 and 88,742.20 is: 133,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,488.60 : 156,732.90 = 88,742.20 : x
  2. Step 2: Convert to fraction form
    104,488.60/156,732.90 = 88,742.20/x
  3. Step 3: Cross multiply
    104,488.60x = 156,732.90 × 88,742.20
  4. Step 4: Simplify right side
    104,488.60x = 13,908,822,358.38
  5. Step 5: Solve for x
    x = 13,908,822,358.38/104,488.60
  6. Step 6: Final answer
    x = 133,113.30

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