Finding the Fourth Proportional to 11,448.72, 17,174.16 and 3,655.68

Step by Step Solution

1. Step 1: Write the proportion equation
   11,448.72 : 17,174.16 = 3,655.68 : x
2. Step 2: Convert to fraction form
   11,448.72/17,174.16 = 3,655.68/x
3. Step 3: Cross multiply
   11,448.72x = 17,174.16 × 3,655.68
4. Step 4: Simplify right side
   11,448.72x = 62,783,233.23
5. Step 5: Solve for x
   x = 62,783,233.23/11,448.72
6. Step 6: Final answer
   x = 5,483.86