Finding the Fourth Proportional to 8,894.24, 12,273.76 and 4,915.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,894.24 : 12,273.76 = 4,915.12 : x
2. Step 2: Convert to fraction form
   8,894.24/12,273.76 = 4,915.12/x
3. Step 3: Cross multiply
   8,894.24x = 12,273.76 × 4,915.12
4. Step 4: Simplify right side
   8,894.24x = 60,327,003.25
5. Step 5: Solve for x
   x = 60,327,003.25/8,894.24
6. Step 6: Final answer
   x = 6,782.70