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Finding the Fourth Proportional to 98,217.28, 135,539.88 and 53,505.28

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Solution

The fourth proportional to 98,217.28, 135,539.88 and 53,505.28 is: 73,837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,217.28 : 135,539.88 = 53,505.28 : x
  2. Step 2: Convert to fraction form
    98,217.28/135,539.88 = 53,505.28/x
  3. Step 3: Cross multiply
    98,217.28x = 135,539.88 × 53,505.28
  4. Step 4: Simplify right side
    98,217.28x = 7,252,099,230.57
  5. Step 5: Solve for x
    x = 7,252,099,230.57/98,217.28
  6. Step 6: Final answer
    x = 73,837.30

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