Finding the Fourth Proportional to 8,181.52, 12,271.98 and 2,635.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,181.52 : 12,271.98 = 2,635.16 : x
2. Step 2: Convert to fraction form
   8,181.52/12,271.98 = 2,635.16/x
3. Step 3: Cross multiply
   8,181.52x = 12,271.98 × 2,635.16
4. Step 4: Simplify right side
   8,181.52x = 32,338,630.82
5. Step 5: Solve for x
   x = 32,338,630.82/8,181.52
6. Step 6: Final answer
   x = 3,952.64