Finding the Fourth Proportional to 139,454.50, 192,447.23 and 75,792.29

Step by Step Solution

1. Step 1: Write the proportion equation
   139,454.50 : 192,447.23 = 75,792.29 : x
2. Step 2: Convert to fraction form
   139,454.50/192,447.23 = 75,792.29/x
3. Step 3: Cross multiply
   139,454.50x = 192,447.23 × 75,792.29
4. Step 4: Simplify right side
   139,454.50x = 14,586,016,870.96
5. Step 5: Solve for x
   x = 14,586,016,870.96/139,454.50
6. Step 6: Final answer
   x = 104,593.38