Finding the Fourth Proportional to 123,142.83, 169,935.52 and 69,445.15

Step by Step Solution

1. Step 1: Write the proportion equation
   123,142.83 : 169,935.52 = 69,445.15 : x
2. Step 2: Convert to fraction form
   123,142.83/169,935.52 = 69,445.15/x
3. Step 3: Cross multiply
   123,142.83x = 169,935.52 × 69,445.15
4. Step 4: Simplify right side
   123,142.83x = 11,801,197,208.49
5. Step 5: Solve for x
   x = 11,801,197,208.49/123,142.83
6. Step 6: Final answer
   x = 95,833.41