Finding the Fourth Proportional to 139,380.27, 192,343.71 and 75,718.52

Step by Step Solution

1. Step 1: Write the proportion equation
   139,380.27 : 192,343.71 = 75,718.52 : x
2. Step 2: Convert to fraction form
   139,380.27/192,343.71 = 75,718.52/x
3. Step 3: Cross multiply
   139,380.27x = 192,343.71 × 75,718.52
4. Step 4: Simplify right side
   139,380.27x = 14,563,981,052.51
5. Step 5: Solve for x
   x = 14,563,981,052.51/139,380.27
6. Step 6: Final answer
   x = 104,490.98