Finding the Fourth Proportional to 90,756.96, 125,114.78 and 60,531.25

Step by Step Solution

1. Step 1: Write the proportion equation
   90,756.96 : 125,114.78 = 60,531.25 : x
2. Step 2: Convert to fraction form
   90,756.96/125,114.78 = 60,531.25/x
3. Step 3: Cross multiply
   90,756.96x = 125,114.78 × 60,531.25
4. Step 4: Simplify right side
   90,756.96x = 7,573,353,759.52
5. Step 5: Solve for x
   x = 7,573,353,759.52/90,756.96
6. Step 6: Final answer
   x = 83,446.54