Finding the Fourth Proportional to 16,724.79, 25,089.76 and 5,630.61

Step by Step Solution

1. Step 1: Write the proportion equation
   16,724.79 : 25,089.76 = 5,630.61 : x
2. Step 2: Convert to fraction form
   16,724.79/25,089.76 = 5,630.61/x
3. Step 3: Cross multiply
   16,724.79x = 25,089.76 × 5,630.61
4. Step 4: Simplify right side
   16,724.79x = 141,270,613.55
5. Step 5: Solve for x
   x = 141,270,613.55/16,724.79
6. Step 6: Final answer
   x = 8,446.78