Finding the Fourth Proportional to 2,047.28, 3,072.74 and 1,074.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.28 : 3,072.74 = 1,074.06 : x
2. Step 2: Convert to fraction form
   2,047.28/3,072.74 = 1,074.06/x
3. Step 3: Cross multiply
   2,047.28x = 3,072.74 × 1,074.06
4. Step 4: Simplify right side
   2,047.28x = 3,300,301.75
5. Step 5: Solve for x
   x = 3,300,301.75/2,047.28
6. Step 6: Final answer
   x = 1,612.05