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Finding the Fourth Proportional to 171,111.80, 256,696.80 and 52,761.08

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Solution

The fourth proportional to 171,111.80, 256,696.80 and 52,761.08 is: 79,150.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,111.80 : 256,696.80 = 52,761.08 : x
  2. Step 2: Convert to fraction form
    171,111.80/256,696.80 = 52,761.08/x
  3. Step 3: Cross multiply
    171,111.80x = 256,696.80 × 52,761.08
  4. Step 4: Simplify right side
    171,111.80x = 13,543,600,400.54
  5. Step 5: Solve for x
    x = 13,543,600,400.54/171,111.80
  6. Step 6: Final answer
    x = 79,150.59

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