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Finding the Fourth Proportional to 49,420.85, 74,102.85 and 15,217.75

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Solution

The fourth proportional to 49,420.85, 74,102.85 and 15,217.75 is: 22,817.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,420.85 : 74,102.85 = 15,217.75 : x
  2. Step 2: Convert to fraction form
    49,420.85/74,102.85 = 15,217.75/x
  3. Step 3: Cross multiply
    49,420.85x = 74,102.85 × 15,217.75
  4. Step 4: Simplify right side
    49,420.85x = 1,127,678,645.59
  5. Step 5: Solve for x
    x = 1,127,678,645.59/49,420.85
  6. Step 6: Final answer
    x = 22,817.87

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