Finding the Fourth Proportional to 8,871.62, 13,308.72 and 2,630.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,871.62 : 13,308.72 = 2,630.82 : x
2. Step 2: Convert to fraction form
   8,871.62/13,308.72 = 2,630.82/x
3. Step 3: Cross multiply
   8,871.62x = 13,308.72 × 2,630.82
4. Step 4: Simplify right side
   8,871.62x = 35,012,846.75
5. Step 5: Solve for x
   x = 35,012,846.75/8,871.62
6. Step 6: Final answer
   x = 3,946.61