Finding the Fourth Proportional to 8,899.36, 12,272.04 and 5,361.92

Step by Step Solution

1. Step 1: Write the proportion equation
   8,899.36 : 12,272.04 = 5,361.92 : x
2. Step 2: Convert to fraction form
   8,899.36/12,272.04 = 5,361.92/x
3. Step 3: Cross multiply
   8,899.36x = 12,272.04 × 5,361.92
4. Step 4: Simplify right side
   8,899.36x = 65,801,696.72
5. Step 5: Solve for x
   x = 65,801,696.72/8,899.36
6. Step 6: Final answer
   x = 7,393.98