Finding the Fourth Proportional to 2,038.28, 2,805.90 and 1,789.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,038.28 : 2,805.90 = 1,789.16 : x
2. Step 2: Convert to fraction form
   2,038.28/2,805.90 = 1,789.16/x
3. Step 3: Cross multiply
   2,038.28x = 2,805.90 × 1,789.16
4. Step 4: Simplify right side
   2,038.28x = 5,020,204.04
5. Step 5: Solve for x
   x = 5,020,204.04/2,038.28
6. Step 6: Final answer
   x = 2,462.96