Finding the Fourth Proportional to 8,797.44, 12,139.02 and 5,020.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,797.44 : 12,139.02 = 5,020.61 : x
2. Step 2: Convert to fraction form
   8,797.44/12,139.02 = 5,020.61/x
3. Step 3: Cross multiply
   8,797.44x = 12,139.02 × 5,020.61
4. Step 4: Simplify right side
   8,797.44x = 60,945,315.55
5. Step 5: Solve for x
   x = 60,945,315.55/8,797.44
6. Step 6: Final answer
   x = 6,927.62