Finding the Fourth Proportional to 8,851.49, 12,215.00 and 4,872.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,851.49 : 12,215.00 = 4,872.50 : x
2. Step 2: Convert to fraction form
   8,851.49/12,215.00 = 4,872.50/x
3. Step 3: Cross multiply
   8,851.49x = 12,215.00 × 4,872.50
4. Step 4: Simplify right side
   8,851.49x = 59,517,538.61
5. Step 5: Solve for x
   x = 59,517,538.61/8,851.49
6. Step 6: Final answer
   x = 6,724.02