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Finding the Fourth Proportional to 79,472.32, 119,208.48 and 20,308.12

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Solution

The fourth proportional to 79,472.32, 119,208.48 and 20,308.12 is: 30,462.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,472.32 : 119,208.48 = 20,308.12 : x
  2. Step 2: Convert to fraction form
    79,472.32/119,208.48 = 20,308.12/x
  3. Step 3: Cross multiply
    79,472.32x = 119,208.48 × 20,308.12
  4. Step 4: Simplify right side
    79,472.32x = 2,420,900,116.86
  5. Step 5: Solve for x
    x = 2,420,900,116.86/79,472.32
  6. Step 6: Final answer
    x = 30,462.18

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