Finding the Fourth Proportional to 16,104.57, 24,157.61 and 13,288.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,104.57 : 24,157.61 = 13,288.18 : x
2. Step 2: Convert to fraction form
   16,104.57/24,157.61 = 13,288.18/x
3. Step 3: Cross multiply
   16,104.57x = 24,157.61 × 13,288.18
4. Step 4: Simplify right side
   16,104.57x = 321,010,733.47
5. Step 5: Solve for x
   x = 321,010,733.47/16,104.57
6. Step 6: Final answer
   x = 19,932.90