Finding the Fourth Proportional to 8,894.25, 12,275.15 and 5,168.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,894.25 : 12,275.15 = 5,168.25 : x
2. Step 2: Convert to fraction form
   8,894.25/12,275.15 = 5,168.25/x
3. Step 3: Cross multiply
   8,894.25x = 12,275.15 × 5,168.25
4. Step 4: Simplify right side
   8,894.25x = 63,441,018.15
5. Step 5: Solve for x
   x = 63,441,018.15/8,894.25
6. Step 6: Final answer
   x = 7,132.81