Finding the Fourth Proportional to 103,061.88, 154,391.54 and 71,035.23

Step by Step Solution

1. Step 1: Write the proportion equation
   103,061.88 : 154,391.54 = 71,035.23 : x
2. Step 2: Convert to fraction form
   103,061.88/154,391.54 = 71,035.23/x
3. Step 3: Cross multiply
   103,061.88x = 154,391.54 × 71,035.23
4. Step 4: Simplify right side
   103,061.88x = 10,967,238,198.78
5. Step 5: Solve for x
   x = 10,967,238,198.78/103,061.88
6. Step 6: Final answer
   x = 106,414.11