Finding the Fourth Proportional to 16,345.30, 24,471.91 and 10,407.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,345.30 : 24,471.91 = 10,407.60 : x
2. Step 2: Convert to fraction form
   16,345.30/24,471.91 = 10,407.60/x
3. Step 3: Cross multiply
   16,345.30x = 24,471.91 × 10,407.60
4. Step 4: Simplify right side
   16,345.30x = 254,693,850.52
5. Step 5: Solve for x
   x = 254,693,850.52/16,345.30
6. Step 6: Final answer
   x = 15,582.08