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Finding the Fourth Proportional to 172,239.06, 258,219.18 and 53,849.46

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Solution

The fourth proportional to 172,239.06, 258,219.18 and 53,849.46 is: 80,730.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,239.06 : 258,219.18 = 53,849.46 : x
  2. Step 2: Convert to fraction form
    172,239.06/258,219.18 = 53,849.46/x
  3. Step 3: Cross multiply
    172,239.06x = 258,219.18 × 53,849.46
  4. Step 4: Simplify right side
    172,239.06x = 13,904,963,404.64
  5. Step 5: Solve for x
    x = 13,904,963,404.64/172,239.06
  6. Step 6: Final answer
    x = 80,730.60

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