Finding the Fourth Proportional to 123,115.88, 169,889.71 and 69,414.10

Step by Step Solution

1. Step 1: Write the proportion equation
   123,115.88 : 169,889.71 = 69,414.10 : x
2. Step 2: Convert to fraction form
   123,115.88/169,889.71 = 69,414.10/x
3. Step 3: Cross multiply
   123,115.88x = 169,889.71 × 69,414.10
4. Step 4: Simplify right side
   123,115.88x = 11,792,741,318.91
5. Step 5: Solve for x
   x = 11,792,741,318.91/123,115.88
6. Step 6: Final answer
   x = 95,785.70