Finding the Fourth Proportional to 139,560.51, 192,591.69 and 75,896.94

Step by Step Solution

1. Step 1: Write the proportion equation
   139,560.51 : 192,591.69 = 75,896.94 : x
2. Step 2: Convert to fraction form
   139,560.51/192,591.69 = 75,896.94/x
3. Step 3: Cross multiply
   139,560.51x = 192,591.69 × 75,896.94
4. Step 4: Simplify right side
   139,560.51x = 14,617,119,940.43
5. Step 5: Solve for x
   x = 14,617,119,940.43/139,560.51
6. Step 6: Final answer
   x = 104,736.79