Finding the Fourth Proportional to 139,357.86, 192,313 and 75,695.10

Step by Step Solution

1. Step 1: Write the proportion equation
   139,357.86 : 192,313 = 75,695.10 : x
2. Step 2: Convert to fraction form
   139,357.86/192,313 = 75,695.10/x
3. Step 3: Cross multiply
   139,357.86x = 192,313 × 75,695.10
4. Step 4: Simplify right side
   139,357.86x = 14,557,151,766.30
5. Step 5: Solve for x
   x = 14,557,151,766.30/139,357.86
6. Step 6: Final answer
   x = 104,458.78