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Finding the Fourth Proportional to 48,850.13, 67,391.78 and 28,697.92

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Solution

The fourth proportional to 48,850.13, 67,391.78 and 28,697.92 is: 39,590.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,850.13 : 67,391.78 = 28,697.92 : x
  2. Step 2: Convert to fraction form
    48,850.13/67,391.78 = 28,697.92/x
  3. Step 3: Cross multiply
    48,850.13x = 67,391.78 × 28,697.92
  4. Step 4: Simplify right side
    48,850.13x = 1,934,003,911.10
  5. Step 5: Solve for x
    x = 1,934,003,911.10/48,850.13
  6. Step 6: Final answer
    x = 39,590.56

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