Finding the Fourth Proportional to 83,162.79, 114,755.78 and 49,172.55

Step by Step Solution

1. Step 1: Write the proportion equation
   83,162.79 : 114,755.78 = 49,172.55 : x
2. Step 2: Convert to fraction form
   83,162.79/114,755.78 = 49,172.55/x
3. Step 3: Cross multiply
   83,162.79x = 114,755.78 × 49,172.55
4. Step 4: Simplify right side
   83,162.79x = 5,642,834,083.98
5. Step 5: Solve for x
   x = 5,642,834,083.98/83,162.79
6. Step 6: Final answer
   x = 67,852.87