Finding the Fourth Proportional to 139,594.78, 192,641.25 and 75,932.56

Step by Step Solution

1. Step 1: Write the proportion equation
   139,594.78 : 192,641.25 = 75,932.56 : x
2. Step 2: Convert to fraction form
   139,594.78/192,641.25 = 75,932.56/x
3. Step 3: Cross multiply
   139,594.78x = 192,641.25 × 75,932.56
4. Step 4: Simplify right side
   139,594.78x = 14,627,743,274.10
5. Step 5: Solve for x
   x = 14,627,743,274.10/139,594.78
6. Step 6: Final answer
   x = 104,787.18