Finding the Fourth Proportional to 8,789.28, 13,181.94 and 2,549.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,789.28 : 13,181.94 = 2,549.31 : x
2. Step 2: Convert to fraction form
   8,789.28/13,181.94 = 2,549.31/x
3. Step 3: Cross multiply
   8,789.28x = 13,181.94 × 2,549.31
4. Step 4: Simplify right side
   8,789.28x = 33,604,851.46
5. Step 5: Solve for x
   x = 33,604,851.46/8,789.28
6. Step 6: Final answer
   x = 3,823.39