Finding the Fourth Proportional to 139,363.27, 192,401.10 and 91,755

Step by Step Solution

1. Step 1: Write the proportion equation
   139,363.27 : 192,401.10 = 91,755 : x
2. Step 2: Convert to fraction form
   139,363.27/192,401.10 = 91,755/x
3. Step 3: Cross multiply
   139,363.27x = 192,401.10 × 91,755
4. Step 4: Simplify right side
   139,363.27x = 17,653,762,930.50
5. Step 5: Solve for x
   x = 17,653,762,930.50/139,363.27
6. Step 6: Final answer
   x = 126,674.43