Finding the Fourth Proportional to 8,798.09, 12,142.51 and 5,020.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,798.09 : 12,142.51 = 5,020.38 : x
2. Step 2: Convert to fraction form
   8,798.09/12,142.51 = 5,020.38/x
3. Step 3: Cross multiply
   8,798.09x = 12,142.51 × 5,020.38
4. Step 4: Simplify right side
   8,798.09x = 60,960,014.35
5. Step 5: Solve for x
   x = 60,960,014.35/8,798.09
6. Step 6: Final answer
   x = 6,928.78