Finding the Fourth Proportional to 2,168.22, 3,253.14 and 2,160.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168.22 : 3,253.14 = 2,160.12 : x
2. Step 2: Convert to fraction form
   2,168.22/3,253.14 = 2,160.12/x
3. Step 3: Cross multiply
   2,168.22x = 3,253.14 × 2,160.12
4. Step 4: Simplify right side
   2,168.22x = 7,027,172.78
5. Step 5: Solve for x
   x = 7,027,172.78/2,168.22
6. Step 6: Final answer
   x = 3,240.99