Finding the Fourth Proportional to 6,022.22, 9,018.81 and 5,139.59

Step by Step Solution

1. Step 1: Write the proportion equation
   6,022.22 : 9,018.81 = 5,139.59 : x
2. Step 2: Convert to fraction form
   6,022.22/9,018.81 = 5,139.59/x
3. Step 3: Cross multiply
   6,022.22x = 9,018.81 × 5,139.59
4. Step 4: Simplify right side
   6,022.22x = 46,352,940.59
5. Step 5: Solve for x
   x = 46,352,940.59/6,022.22
6. Step 6: Final answer
   x = 7,696.99