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Finding the Fourth Proportional to 99,199.67, 136,896.53 and 53,878.53

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Solution

The fourth proportional to 99,199.67, 136,896.53 and 53,878.53 is: 74,352.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,199.67 : 136,896.53 = 53,878.53 : x
  2. Step 2: Convert to fraction form
    99,199.67/136,896.53 = 53,878.53/x
  3. Step 3: Cross multiply
    99,199.67x = 136,896.53 × 53,878.53
  4. Step 4: Simplify right side
    99,199.67x = 7,375,784,042.47
  5. Step 5: Solve for x
    x = 7,375,784,042.47/99,199.67
  6. Step 6: Final answer
    x = 74,352.91

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