Finding the Fourth Proportional to 2,407.88, 3,608.52 and 2,168.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,407.88 : 3,608.52 = 2,168.12 : x
2. Step 2: Convert to fraction form
   2,407.88/3,608.52 = 2,168.12/x
3. Step 3: Cross multiply
   2,407.88x = 3,608.52 × 2,168.12
4. Step 4: Simplify right side
   2,407.88x = 7,823,704.38
5. Step 5: Solve for x
   x = 7,823,704.38/2,407.88
6. Step 6: Final answer
   x = 3,249.21