Finding the Fourth Proportional to 139,255.88, 192,173.51 and 75,593.72

Step by Step Solution

1. Step 1: Write the proportion equation
   139,255.88 : 192,173.51 = 75,593.72 : x
2. Step 2: Convert to fraction form
   139,255.88/192,173.51 = 75,593.72/x
3. Step 3: Cross multiply
   139,255.88x = 192,173.51 × 75,593.72
4. Step 4: Simplify right side
   139,255.88x = 14,527,111,175.78
5. Step 5: Solve for x
   x = 14,527,111,175.78/139,255.88
6. Step 6: Final answer
   x = 104,319.56