Finding the Fourth Proportional to 8,799.66, 12,140.50 and 5,020.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,799.66 : 12,140.50 = 5,020.10 : x
2. Step 2: Convert to fraction form
   8,799.66/12,140.50 = 5,020.10/x
3. Step 3: Cross multiply
   8,799.66x = 12,140.50 × 5,020.10
4. Step 4: Simplify right side
   8,799.66x = 60,946,524.05
5. Step 5: Solve for x
   x = 60,946,524.05/8,799.66
6. Step 6: Final answer
   x = 6,926.01