Finding the Fourth Proportional to 8,798.69, 12,139.17 and 5,019.14

Step by Step Solution

1. Step 1: Write the proportion equation
   8,798.69 : 12,139.17 = 5,019.14 : x
2. Step 2: Convert to fraction form
   8,798.69/12,139.17 = 5,019.14/x
3. Step 3: Cross multiply
   8,798.69x = 12,139.17 × 5,019.14
4. Step 4: Simplify right side
   8,798.69x = 60,928,193.71
5. Step 5: Solve for x
   x = 60,928,193.71/8,798.69
6. Step 6: Final answer
   x = 6,924.69