Finding the Fourth Proportional to 8,772.52, 13,158.60 and 2,849.40

Step by Step Solution

1. Step 1: Write the proportion equation
   8,772.52 : 13,158.60 = 2,849.40 : x
2. Step 2: Convert to fraction form
   8,772.52/13,158.60 = 2,849.40/x
3. Step 3: Cross multiply
   8,772.52x = 13,158.60 × 2,849.40
4. Step 4: Simplify right side
   8,772.52x = 37,494,100.59
5. Step 5: Solve for x
   x = 37,494,100.59/8,772.52
6. Step 6: Final answer
   x = 4,274.04