Finding the Fourth Proportional to 11,449.24, 17,172.78 and 3,656.68

Step by Step Solution

1. Step 1: Write the proportion equation
   11,449.24 : 17,172.78 = 3,656.68 : x
2. Step 2: Convert to fraction form
   11,449.24/17,172.78 = 3,656.68/x
3. Step 3: Cross multiply
   11,449.24x = 17,172.78 × 3,656.68
4. Step 4: Simplify right side
   11,449.24x = 62,795,361.17
5. Step 5: Solve for x
   x = 62,795,361.17/11,449.24
6. Step 6: Final answer
   x = 5,484.68