Finding the Fourth Proportional to 2,074.28, 3,107.36 and 1,250.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.28 : 3,107.36 = 1,250.10 : x
2. Step 2: Convert to fraction form
   2,074.28/3,107.36 = 1,250.10/x
3. Step 3: Cross multiply
   2,074.28x = 3,107.36 × 1,250.10
4. Step 4: Simplify right side
   2,074.28x = 3,884,513.86
5. Step 5: Solve for x
   x = 3,884,513.86/2,074.28
6. Step 6: Final answer
   x = 1,872.71