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Finding the Fourth Proportional to 172,559.84, 258,626.64 and 72,685.04

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Solution

The fourth proportional to 172,559.84, 258,626.64 and 72,685.04 is: 108,937.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,559.84 : 258,626.64 = 72,685.04 : x
  2. Step 2: Convert to fraction form
    172,559.84/258,626.64 = 72,685.04/x
  3. Step 3: Cross multiply
    172,559.84x = 258,626.64 × 72,685.04
  4. Step 4: Simplify right side
    172,559.84x = 18,798,287,673.47
  5. Step 5: Solve for x
    x = 18,798,287,673.47/172,559.84
  6. Step 6: Final answer
    x = 108,937.79

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