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Finding the Fourth Proportional to 98,557.50, 136,009.35 and 53,845.50

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Solution

The fourth proportional to 98,557.50, 136,009.35 and 53,845.50 is: 74,306.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,557.50 : 136,009.35 = 53,845.50 : x
  2. Step 2: Convert to fraction form
    98,557.50/136,009.35 = 53,845.50/x
  3. Step 3: Cross multiply
    98,557.50x = 136,009.35 × 53,845.50
  4. Step 4: Simplify right side
    98,557.50x = 7,323,491,455.43
  5. Step 5: Solve for x
    x = 7,323,491,455.43/98,557.50
  6. Step 6: Final answer
    x = 74,306.79

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