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Finding the Fourth Proportional to 172,696.46, 258,847.85 and 79,005.38

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Solution

The fourth proportional to 172,696.46, 258,847.85 and 79,005.38 is: 118,418.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,696.46 : 258,847.85 = 79,005.38 : x
  2. Step 2: Convert to fraction form
    172,696.46/258,847.85 = 79,005.38/x
  3. Step 3: Cross multiply
    172,696.46x = 258,847.85 × 79,005.38
  4. Step 4: Simplify right side
    172,696.46x = 20,450,371,654.71
  5. Step 5: Solve for x
    x = 20,450,371,654.71/172,696.46
  6. Step 6: Final answer
    x = 118,418.02

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