Finding the Fourth Proportional to 139,734.25, 192,881.87 and 83,144.41

Step by Step Solution

1. Step 1: Write the proportion equation
   139,734.25 : 192,881.87 = 83,144.41 : x
2. Step 2: Convert to fraction form
   139,734.25/192,881.87 = 83,144.41/x
3. Step 3: Cross multiply
   139,734.25x = 192,881.87 × 83,144.41
4. Step 4: Simplify right side
   139,734.25x = 16,037,049,280.85
5. Step 5: Solve for x
   x = 16,037,049,280.85/139,734.25
6. Step 6: Final answer
   x = 114,768.21