Finding the Fourth Proportional to 8,846.12, 12,208.22 and 5,309.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,846.12 : 12,208.22 = 5,309.16 : x
2. Step 2: Convert to fraction form
   8,846.12/12,208.22 = 5,309.16/x
3. Step 3: Cross multiply
   8,846.12x = 12,208.22 × 5,309.16
4. Step 4: Simplify right side
   8,846.12x = 64,815,393.30
5. Step 5: Solve for x
   x = 64,815,393.30/8,846.12
6. Step 6: Final answer
   x = 7,326.99