Finding the Fourth Proportional to 2,182.92, 3,012.82 and 1,396.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182.92 : 3,012.82 = 1,396.94 : x
2. Step 2: Convert to fraction form
   2,182.92/3,012.82 = 1,396.94/x
3. Step 3: Cross multiply
   2,182.92x = 3,012.82 × 1,396.94
4. Step 4: Simplify right side
   2,182.92x = 4,208,728.77
5. Step 5: Solve for x
   x = 4,208,728.77/2,182.92
6. Step 6: Final answer
   x = 1,928.03