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Finding the Fourth Proportional to 92,853.59, 128,135.84 and 54,605.69

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Solution

The fourth proportional to 92,853.59, 128,135.84 and 54,605.69 is: 75,354.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,853.59 : 128,135.84 = 54,605.69 : x
  2. Step 2: Convert to fraction form
    92,853.59/128,135.84 = 54,605.69/x
  3. Step 3: Cross multiply
    92,853.59x = 128,135.84 × 54,605.69
  4. Step 4: Simplify right side
    92,853.59x = 6,996,945,452.76
  5. Step 5: Solve for x
    x = 6,996,945,452.76/92,853.59
  6. Step 6: Final answer
    x = 75,354.61

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