Finding the Fourth Proportional to 8,826.37, 13,301.55 and 7,949.97

Step by Step Solution

1. Step 1: Write the proportion equation
   8,826.37 : 13,301.55 = 7,949.97 : x
2. Step 2: Convert to fraction form
   8,826.37/13,301.55 = 7,949.97/x
3. Step 3: Cross multiply
   8,826.37x = 13,301.55 × 7,949.97
4. Step 4: Simplify right side
   8,826.37x = 105,746,923.45
5. Step 5: Solve for x
   x = 105,746,923.45/8,826.37
6. Step 6: Final answer
   x = 11,980.79