Finding the Fourth Proportional to 23,411.86, 32,308.62 and 13,340.20

Step by Step Solution

1. Step 1: Write the proportion equation
   23,411.86 : 32,308.62 = 13,340.20 : x
2. Step 2: Convert to fraction form
   23,411.86/32,308.62 = 13,340.20/x
3. Step 3: Cross multiply
   23,411.86x = 32,308.62 × 13,340.20
4. Step 4: Simplify right side
   23,411.86x = 431,003,452.52
5. Step 5: Solve for x
   x = 431,003,452.52/23,411.86
6. Step 6: Final answer
   x = 18,409.62