Finding the Fourth Proportional to 16,100.24, 24,152.56 and 15,128.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,100.24 : 24,152.56 = 15,128.24 : x
2. Step 2: Convert to fraction form
   16,100.24/24,152.56 = 15,128.24/x
3. Step 3: Cross multiply
   16,100.24x = 24,152.56 × 15,128.24
4. Step 4: Simplify right side
   16,100.24x = 365,385,724.29
5. Step 5: Solve for x
   x = 365,385,724.29/16,100.24
6. Step 6: Final answer
   x = 22,694.43