Finding the Fourth Proportional to 8,180.72, 12,265.56 and 2,632.40

Step by Step Solution

1. Step 1: Write the proportion equation
   8,180.72 : 12,265.56 = 2,632.40 : x
2. Step 2: Convert to fraction form
   8,180.72/12,265.56 = 2,632.40/x
3. Step 3: Cross multiply
   8,180.72x = 12,265.56 × 2,632.40
4. Step 4: Simplify right side
   8,180.72x = 32,287,860.14
5. Step 5: Solve for x
   x = 32,287,860.14/8,180.72
6. Step 6: Final answer
   x = 3,946.82