Finding the Fourth Proportional to 139,951.43, 193,023.73 and 96,947.15

Step by Step Solution

1. Step 1: Write the proportion equation
   139,951.43 : 193,023.73 = 96,947.15 : x
2. Step 2: Convert to fraction form
   139,951.43/193,023.73 = 96,947.15/x
3. Step 3: Cross multiply
   139,951.43x = 193,023.73 × 96,947.15
4. Step 4: Simplify right side
   139,951.43x = 18,713,100,505.87
5. Step 5: Solve for x
   x = 18,713,100,505.87/139,951.43
6. Step 6: Final answer
   x = 133,711.39