Finding the Fourth Proportional to 2,038.28, 2,806.56 and 1,742.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,038.28 : 2,806.56 = 1,742.84 : x
2. Step 2: Convert to fraction form
   2,038.28/2,806.56 = 1,742.84/x
3. Step 3: Cross multiply
   2,038.28x = 2,806.56 × 1,742.84
4. Step 4: Simplify right side
   2,038.28x = 4,891,385.03
5. Step 5: Solve for x
   x = 4,891,385.03/2,038.28
6. Step 6: Final answer
   x = 2,399.76