Finding the Fourth Proportional to 11,451.72, 17,180.22 and 3,660.48

Step by Step Solution

1. Step 1: Write the proportion equation
   11,451.72 : 17,180.22 = 3,660.48 : x
2. Step 2: Convert to fraction form
   11,451.72/17,180.22 = 3,660.48/x
3. Step 3: Cross multiply
   11,451.72x = 17,180.22 × 3,660.48
4. Step 4: Simplify right side
   11,451.72x = 62,887,851.71
5. Step 5: Solve for x
   x = 62,887,851.71/11,451.72
6. Step 6: Final answer
   x = 5,491.56