Finding the Fourth Proportional to 8,896.82, 12,277.61 and 5,360.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,896.82 : 12,277.61 = 5,360.72 : x
2. Step 2: Convert to fraction form
   8,896.82/12,277.61 = 5,360.72/x
3. Step 3: Cross multiply
   8,896.82x = 12,277.61 × 5,360.72
4. Step 4: Simplify right side
   8,896.82x = 65,816,761.39
5. Step 5: Solve for x
   x = 65,816,761.39/8,896.82
6. Step 6: Final answer
   x = 7,397.78