Finding the Fourth Proportional to 2,096.42, 3,143.26 and 1,172.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,096.42 : 3,143.26 = 1,172.08 : x
2. Step 2: Convert to fraction form
   2,096.42/3,143.26 = 1,172.08/x
3. Step 3: Cross multiply
   2,096.42x = 3,143.26 × 1,172.08
4. Step 4: Simplify right side
   2,096.42x = 3,684,133.30
5. Step 5: Solve for x
   x = 3,684,133.30/2,096.42
6. Step 6: Final answer
   x = 1,757.34