Finding the Fourth Proportional to 8,981.34, 13,466.25 and 4,818.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,981.34 : 13,466.25 = 4,818.78 : x
2. Step 2: Convert to fraction form
   8,981.34/13,466.25 = 4,818.78/x
3. Step 3: Cross multiply
   8,981.34x = 13,466.25 × 4,818.78
4. Step 4: Simplify right side
   8,981.34x = 64,890,896.18
5. Step 5: Solve for x
   x = 64,890,896.18/8,981.34
6. Step 6: Final answer
   x = 7,225.08