Finding the Fourth Proportional to 139,733.50, 192,880.83 and 83,143.66

Step by Step Solution

1. Step 1: Write the proportion equation
   139,733.50 : 192,880.83 = 83,143.66 : x
2. Step 2: Convert to fraction form
   139,733.50/192,880.83 = 83,143.66/x
3. Step 3: Cross multiply
   139,733.50x = 192,880.83 × 83,143.66
4. Step 4: Simplify right side
   139,733.50x = 16,036,818,150.04
5. Step 5: Solve for x
   x = 16,036,818,150.04/139,733.50
6. Step 6: Final answer
   x = 114,767.17