Finding the Fourth Proportional to 8,895.69, 12,276.56 and 5,359.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,895.69 : 12,276.56 = 5,359.43 : x
2. Step 2: Convert to fraction form
   8,895.69/12,276.56 = 5,359.43/x
3. Step 3: Cross multiply
   8,895.69x = 12,276.56 × 5,359.43
4. Step 4: Simplify right side
   8,895.69x = 65,795,408.05
5. Step 5: Solve for x
   x = 65,795,408.05/8,895.69
6. Step 6: Final answer
   x = 7,396.32