Finding the Fourth Proportional to 139,222.71, 192,127.46 and 75,560.49

Step by Step Solution

1. Step 1: Write the proportion equation
   139,222.71 : 192,127.46 = 75,560.49 : x
2. Step 2: Convert to fraction form
   139,222.71/192,127.46 = 75,560.49/x
3. Step 3: Cross multiply
   139,222.71x = 192,127.46 × 75,560.49
4. Step 4: Simplify right side
   139,222.71x = 14,517,244,642.25
5. Step 5: Solve for x
   x = 14,517,244,642.25/139,222.71
6. Step 6: Final answer
   x = 104,273.54