Finding the Fourth Proportional to 95,128.02, 142,655.31 and 28,552.50

Step by Step Solution

1. Step 1: Write the proportion equation
   95,128.02 : 142,655.31 = 28,552.50 : x
2. Step 2: Convert to fraction form
   95,128.02/142,655.31 = 28,552.50/x
3. Step 3: Cross multiply
   95,128.02x = 142,655.31 × 28,552.50
4. Step 4: Simplify right side
   95,128.02x = 4,073,165,738.78
5. Step 5: Solve for x
   x = 4,073,165,738.78/95,128.02
6. Step 6: Final answer
   x = 42,817.73