Finding the Fourth Proportional to 139,568.96, 192,597.24 and 75,906.76

Step by Step Solution

1. Step 1: Write the proportion equation
   139,568.96 : 192,597.24 = 75,906.76 : x
2. Step 2: Convert to fraction form
   139,568.96/192,597.24 = 75,906.76/x
3. Step 3: Cross multiply
   139,568.96x = 192,597.24 × 75,906.76
4. Step 4: Simplify right side
   139,568.96x = 14,619,432,473.34
5. Step 5: Solve for x
   x = 14,619,432,473.34/139,568.96
6. Step 6: Final answer
   x = 104,747.02