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Finding the Fourth Proportional to 171,508.22, 257,287.23 and 53,189.09

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Solution

The fourth proportional to 171,508.22, 257,287.23 and 53,189.09 is: 79,791.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,508.22 : 257,287.23 = 53,189.09 : x
  2. Step 2: Convert to fraction form
    171,508.22/257,287.23 = 53,189.09/x
  3. Step 3: Cross multiply
    171,508.22x = 257,287.23 × 53,189.09
  4. Step 4: Simplify right side
    171,508.22x = 13,684,872,345.88
  5. Step 5: Solve for x
    x = 13,684,872,345.88/171,508.22
  6. Step 6: Final answer
    x = 79,791.35

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