Finding the Fourth Proportional to 8,554.94, 12,827.94 and 3,872.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,554.94 : 12,827.94 = 3,872.72 : x
2. Step 2: Convert to fraction form
   8,554.94/12,827.94 = 3,872.72/x
3. Step 3: Cross multiply
   8,554.94x = 12,827.94 × 3,872.72
4. Step 4: Simplify right side
   8,554.94x = 49,679,019.80
5. Step 5: Solve for x
   x = 49,679,019.80/8,554.94
6. Step 6: Final answer
   x = 5,807.06