Finding the Fourth Proportional to 17,986.72, 24,812.76 and 12,020.26

Step by Step Solution

1. Step 1: Write the proportion equation
   17,986.72 : 24,812.76 = 12,020.26 : x
2. Step 2: Convert to fraction form
   17,986.72/24,812.76 = 12,020.26/x
3. Step 3: Cross multiply
   17,986.72x = 24,812.76 × 12,020.26
4. Step 4: Simplify right side
   17,986.72x = 298,255,826.52
5. Step 5: Solve for x
   x = 298,255,826.52/17,986.72
6. Step 6: Final answer
   x = 16,582.00