Finding the Fourth Proportional to 2,065.32, 3,082.68 and 1,920.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065.32 : 3,082.68 = 1,920.84 : x
2. Step 2: Convert to fraction form
   2,065.32/3,082.68 = 1,920.84/x
3. Step 3: Cross multiply
   2,065.32x = 3,082.68 × 1,920.84
4. Step 4: Simplify right side
   2,065.32x = 5,921,335.05
5. Step 5: Solve for x
   x = 5,921,335.05/2,065.32
6. Step 6: Final answer
   x = 2,867.03