Finding the Fourth Proportional to 8,849.98, 12,208.89 and 5,707.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,849.98 : 12,208.89 = 5,707.18 : x
2. Step 2: Convert to fraction form
   8,849.98/12,208.89 = 5,707.18/x
3. Step 3: Cross multiply
   8,849.98x = 12,208.89 × 5,707.18
4. Step 4: Simplify right side
   8,849.98x = 69,678,332.83
5. Step 5: Solve for x
   x = 69,678,332.83/8,849.98
6. Step 6: Final answer
   x = 7,873.28