Finding the Fourth Proportional to 139,607.91, 192,658.77 and 75,945.56

Step by Step Solution

1. Step 1: Write the proportion equation
   139,607.91 : 192,658.77 = 75,945.56 : x
2. Step 2: Convert to fraction form
   139,607.91/192,658.77 = 75,945.56/x
3. Step 3: Cross multiply
   139,607.91x = 192,658.77 × 75,945.56
4. Step 4: Simplify right side
   139,607.91x = 14,631,577,213.27
5. Step 5: Solve for x
   x = 14,631,577,213.27/139,607.91
6. Step 6: Final answer
   x = 104,804.79