Finding the Fourth Proportional to 139,541.19, 192,543.48 and 82,191.94

Step by Step Solution

1. Step 1: Write the proportion equation
   139,541.19 : 192,543.48 = 82,191.94 : x
2. Step 2: Convert to fraction form
   139,541.19/192,543.48 = 82,191.94/x
3. Step 3: Cross multiply
   139,541.19x = 192,543.48 × 82,191.94
4. Step 4: Simplify right side
   139,541.19x = 15,825,522,155.55
5. Step 5: Solve for x
   x = 15,825,522,155.55/139,541.19
6. Step 6: Final answer
   x = 113,411.12