Finding the Fourth Proportional to 139,454.37, 192,447.03 and 75,792.15

Step by Step Solution

1. Step 1: Write the proportion equation
   139,454.37 : 192,447.03 = 75,792.15 : x
2. Step 2: Convert to fraction form
   139,454.37/192,447.03 = 75,792.15/x
3. Step 3: Cross multiply
   139,454.37x = 192,447.03 × 75,792.15
4. Step 4: Simplify right side
   139,454.37x = 14,585,974,164.81
5. Step 5: Solve for x
   x = 14,585,974,164.81/139,454.37
6. Step 6: Final answer
   x = 104,593.17