Finding the Fourth Proportional to 150,007.56, 224,752.78 and 99,375

Step by Step Solution

1. Step 1: Write the proportion equation
   150,007.56 : 224,752.78 = 99,375 : x
2. Step 2: Convert to fraction form
   150,007.56/224,752.78 = 99,375/x
3. Step 3: Cross multiply
   150,007.56x = 224,752.78 × 99,375
4. Step 4: Simplify right side
   150,007.56x = 22,334,807,512.50
5. Step 5: Solve for x
   x = 22,334,807,512.50/150,007.56
6. Step 6: Final answer
   x = 148,891.21