Finding the Fourth Proportional to 16,242.54, 24,348.72 and 5,706.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,242.54 : 24,348.72 = 5,706.78 : x
2. Step 2: Convert to fraction form
   16,242.54/24,348.72 = 5,706.78/x
3. Step 3: Cross multiply
   16,242.54x = 24,348.72 × 5,706.78
4. Step 4: Simplify right side
   16,242.54x = 138,952,788.32
5. Step 5: Solve for x
   x = 138,952,788.32/16,242.54
6. Step 6: Final answer
   x = 8,554.87