Finding the Fourth Proportional to 123,965.38, 171,124.48 and 83,733.69

Step by Step Solution

1. Step 1: Write the proportion equation
   123,965.38 : 171,124.48 = 83,733.69 : x
2. Step 2: Convert to fraction form
   123,965.38/171,124.48 = 83,733.69/x
3. Step 3: Cross multiply
   123,965.38x = 171,124.48 × 83,733.69
4. Step 4: Simplify right side
   123,965.38x = 14,328,884,159.73
5. Step 5: Solve for x
   x = 14,328,884,159.73/123,965.38
6. Step 6: Final answer
   x = 115,587.79