Finding the Fourth Proportional to 2,371.11, 3,271.89 and 1,376.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,371.11 : 3,271.89 = 1,376.20 : x
2. Step 2: Convert to fraction form
   2,371.11/3,271.89 = 1,376.20/x
3. Step 3: Cross multiply
   2,371.11x = 3,271.89 × 1,376.20
4. Step 4: Simplify right side
   2,371.11x = 4,502,751.78
5. Step 5: Solve for x
   x = 4,502,751.78/2,371.11
6. Step 6: Final answer
   x = 1,899.01