Finding the Fourth Proportional to 16,622.91, 24,957.43 and 10,407.39

Step by Step Solution

1. Step 1: Write the proportion equation
   16,622.91 : 24,957.43 = 10,407.39 : x
2. Step 2: Convert to fraction form
   16,622.91/24,957.43 = 10,407.39/x
3. Step 3: Cross multiply
   16,622.91x = 24,957.43 × 10,407.39
4. Step 4: Simplify right side
   16,622.91x = 259,741,602.43
5. Step 5: Solve for x
   x = 259,741,602.43/16,622.91
6. Step 6: Final answer
   x = 15,625.52