Finding the Fourth Proportional to 23,456.20, 32,367.18 and 13,386.82

Step by Step Solution

1. Step 1: Write the proportion equation
   23,456.20 : 32,367.18 = 13,386.82 : x
2. Step 2: Convert to fraction form
   23,456.20/32,367.18 = 13,386.82/x
3. Step 3: Cross multiply
   23,456.20x = 32,367.18 × 13,386.82
4. Step 4: Simplify right side
   23,456.20x = 433,293,612.57
5. Step 5: Solve for x
   x = 433,293,612.57/23,456.20
6. Step 6: Final answer
   x = 18,472.46