Finding the Fourth Proportional to 139,382.52, 192,341.72 and 78,951.94

Step by Step Solution

1. Step 1: Write the proportion equation
   139,382.52 : 192,341.72 = 78,951.94 : x
2. Step 2: Convert to fraction form
   139,382.52/192,341.72 = 78,951.94/x
3. Step 3: Cross multiply
   139,382.52x = 192,341.72 × 78,951.94
4. Step 4: Simplify right side
   139,382.52x = 15,185,751,936.94
5. Step 5: Solve for x
   x = 15,185,751,936.94/139,382.52
6. Step 6: Final answer
   x = 108,950.19