Finding the Fourth Proportional to 2,082.18, 3,124.69 and 1,157.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,082.18 : 3,124.69 = 1,157.16 : x
2. Step 2: Convert to fraction form
   2,082.18/3,124.69 = 1,157.16/x
3. Step 3: Cross multiply
   2,082.18x = 3,124.69 × 1,157.16
4. Step 4: Simplify right side
   2,082.18x = 3,615,766.28
5. Step 5: Solve for x
   x = 3,615,766.28/2,082.18
6. Step 6: Final answer
   x = 1,736.53