Finding the Fourth Proportional to 2,876.27, 4,301.82 and 2,666.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,876.27 : 4,301.82 = 2,666.10 : x
2. Step 2: Convert to fraction form
   2,876.27/4,301.82 = 2,666.10/x
3. Step 3: Cross multiply
   2,876.27x = 4,301.82 × 2,666.10
4. Step 4: Simplify right side
   2,876.27x = 11,469,082.30
5. Step 5: Solve for x
   x = 11,469,082.30/2,876.27
6. Step 6: Final answer
   x = 3,987.48