Finding the Fourth Proportional to 8,797.89, 12,140.16 and 5,020.70

Step by Step Solution

1. Step 1: Write the proportion equation
   8,797.89 : 12,140.16 = 5,020.70 : x
2. Step 2: Convert to fraction form
   8,797.89/12,140.16 = 5,020.70/x
3. Step 3: Cross multiply
   8,797.89x = 12,140.16 × 5,020.70
4. Step 4: Simplify right side
   8,797.89x = 60,952,117.45
5. Step 5: Solve for x
   x = 60,952,117.45/8,797.89
6. Step 6: Final answer
   x = 6,928.04