Finding the Fourth Proportional to 3,392.12, 5,084.94 and 1,082.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,392.12 : 5,084.94 = 1,082.12 : x
2. Step 2: Convert to fraction form
   3,392.12/5,084.94 = 1,082.12/x
3. Step 3: Cross multiply
   3,392.12x = 5,084.94 × 1,082.12
4. Step 4: Simplify right side
   3,392.12x = 5,502,515.27
5. Step 5: Solve for x
   x = 5,502,515.27/3,392.12
6. Step 6: Final answer
   x = 1,622.15