Finding the Fourth Proportional to 8,798.16, 12,139.92 and 5,019.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,798.16 : 12,139.92 = 5,019.60 : x
2. Step 2: Convert to fraction form
   8,798.16/12,139.92 = 5,019.60/x
3. Step 3: Cross multiply
   8,798.16x = 12,139.92 × 5,019.60
4. Step 4: Simplify right side
   8,798.16x = 60,937,542.43
5. Step 5: Solve for x
   x = 60,937,542.43/8,798.16
6. Step 6: Final answer
   x = 6,926.17