Finding the Fourth Proportional to 139,572.02, 192,608.85 and 75,910.88

Step by Step Solution

1. Step 1: Write the proportion equation
   139,572.02 : 192,608.85 = 75,910.88 : x
2. Step 2: Convert to fraction form
   139,572.02/192,608.85 = 75,910.88/x
3. Step 3: Cross multiply
   139,572.02x = 192,608.85 × 75,910.88
4. Step 4: Simplify right side
   139,572.02x = 14,621,105,956.69
5. Step 5: Solve for x
   x = 14,621,105,956.69/139,572.02
6. Step 6: Final answer
   x = 104,756.72