Finding the Fourth Proportional to 123,964.38, 171,123.10 and 83,732.69

Step by Step Solution

1. Step 1: Write the proportion equation
   123,964.38 : 171,123.10 = 83,732.69 : x
2. Step 2: Convert to fraction form
   123,964.38/171,123.10 = 83,732.69/x
3. Step 3: Cross multiply
   123,964.38x = 171,123.10 × 83,732.69
4. Step 4: Simplify right side
   123,964.38x = 14,328,597,702.62
5. Step 5: Solve for x
   x = 14,328,597,702.62/123,964.38
6. Step 6: Final answer
   x = 115,586.41