Finding the Fourth Proportional to 123,617.38, 185,235.24 and 83,479.08

Step by Step Solution

1. Step 1: Write the proportion equation
   123,617.38 : 185,235.24 = 83,479.08 : x
2. Step 2: Convert to fraction form
   123,617.38/185,235.24 = 83,479.08/x
3. Step 3: Cross multiply
   123,617.38x = 185,235.24 × 83,479.08
4. Step 4: Simplify right side
   123,617.38x = 15,463,267,418.78
5. Step 5: Solve for x
   x = 15,463,267,418.78/123,617.38
6. Step 6: Final answer
   x = 125,089.75