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Finding the Fourth Proportional to 92,651.20, 138,879.60 and 36,469.60

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Solution

The fourth proportional to 92,651.20, 138,879.60 and 36,469.60 is: 54,666.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,651.20 : 138,879.60 = 36,469.60 : x
  2. Step 2: Convert to fraction form
    92,651.20/138,879.60 = 36,469.60/x
  3. Step 3: Cross multiply
    92,651.20x = 138,879.60 × 36,469.60
  4. Step 4: Simplify right side
    92,651.20x = 5,064,883,460.16
  5. Step 5: Solve for x
    x = 5,064,883,460.16/92,651.20
  6. Step 6: Final answer
    x = 54,666.14

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