Finding the Fourth Proportional to 16,131.12, 24,146.76 and 13,769.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,131.12 : 24,146.76 = 13,769.52 : x
2. Step 2: Convert to fraction form
   16,131.12/24,146.76 = 13,769.52/x
3. Step 3: Cross multiply
   16,131.12x = 24,146.76 × 13,769.52
4. Step 4: Simplify right side
   16,131.12x = 332,489,294.76
5. Step 5: Solve for x
   x = 332,489,294.76/16,131.12
6. Step 6: Final answer
   x = 20,611.67