Finding the Fourth Proportional to 16,621.88, 24,929.78 and 5,527.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,621.88 : 24,929.78 = 5,527.31 : x
2. Step 2: Convert to fraction form
   16,621.88/24,929.78 = 5,527.31/x
3. Step 3: Cross multiply
   16,621.88x = 24,929.78 × 5,527.31
4. Step 4: Simplify right side
   16,621.88x = 137,794,470.01
5. Step 5: Solve for x
   x = 137,794,470.01/16,621.88
6. Step 6: Final answer
   x = 8,289.95