Finding the Fourth Proportional to 16,441.16, 24,686.34 and 13,144.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,441.16 : 24,686.34 = 13,144.52 : x
2. Step 2: Convert to fraction form
   16,441.16/24,686.34 = 13,144.52/x
3. Step 3: Cross multiply
   16,441.16x = 24,686.34 × 13,144.52
4. Step 4: Simplify right side
   16,441.16x = 324,490,089.86
5. Step 5: Solve for x
   x = 324,490,089.86/16,441.16
6. Step 6: Final answer
   x = 19,736.45