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Finding the Fourth Proportional to 84,115.72, 126,207.24 and 34,199.65

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Solution

The fourth proportional to 84,115.72, 126,207.24 and 34,199.65 is: 51,313.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,115.72 : 126,207.24 = 34,199.65 : x
  2. Step 2: Convert to fraction form
    84,115.72/126,207.24 = 34,199.65/x
  3. Step 3: Cross multiply
    84,115.72x = 126,207.24 × 34,199.65
  4. Step 4: Simplify right side
    84,115.72x = 4,316,243,435.47
  5. Step 5: Solve for x
    x = 4,316,243,435.47/84,115.72
  6. Step 6: Final answer
    x = 51,313.16

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