Finding the Fourth Proportional to 16,542.42, 24,793.13 and 7,758.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,542.42 : 24,793.13 = 7,758.89 : x
2. Step 2: Convert to fraction form
   16,542.42/24,793.13 = 7,758.89/x
3. Step 3: Cross multiply
   16,542.42x = 24,793.13 × 7,758.89
4. Step 4: Simplify right side
   16,542.42x = 192,367,044.46
5. Step 5: Solve for x
   x = 192,367,044.46/16,542.42
6. Step 6: Final answer
   x = 11,628.71