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Finding the Fourth Proportional to 92,853.50, 128,142.69 and 54,615.02

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Solution

The fourth proportional to 92,853.50, 128,142.69 and 54,615.02 is: 75,371.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,853.50 : 128,142.69 = 54,615.02 : x
  2. Step 2: Convert to fraction form
    92,853.50/128,142.69 = 54,615.02/x
  3. Step 3: Cross multiply
    92,853.50x = 128,142.69 × 54,615.02
  4. Step 4: Simplify right side
    92,853.50x = 6,998,515,577.20
  5. Step 5: Solve for x
    x = 6,998,515,577.20/92,853.50
  6. Step 6: Final answer
    x = 75,371.59

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