Finding the Fourth Proportional to 139,401.69, 192,373.83 and 75,738.93

Step by Step Solution

1. Step 1: Write the proportion equation
   139,401.69 : 192,373.83 = 75,738.93 : x
2. Step 2: Convert to fraction form
   139,401.69/192,373.83 = 75,738.93/x
3. Step 3: Cross multiply
   139,401.69x = 192,373.83 × 75,738.93
4. Step 4: Simplify right side
   139,401.69x = 14,570,188,044.20
5. Step 5: Solve for x
   x = 14,570,188,044.20/139,401.69
6. Step 6: Final answer
   x = 104,519.45