Finding the Fourth Proportional to 139,733.25, 192,880.49 and 83,143.41

Step by Step Solution

1. Step 1: Write the proportion equation
   139,733.25 : 192,880.49 = 83,143.41 : x
2. Step 2: Convert to fraction form
   139,733.25/192,880.49 = 83,143.41/x
3. Step 3: Cross multiply
   139,733.25x = 192,880.49 × 83,143.41
4. Step 4: Simplify right side
   139,733.25x = 16,036,741,245.35
5. Step 5: Solve for x
   x = 16,036,741,245.35/139,733.25
6. Step 6: Final answer
   x = 114,766.82