Finding the Fourth Proportional to 2,540.33, 3,806.37 and 1,306.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540.33 : 3,806.37 = 1,306.02 : x
2. Step 2: Convert to fraction form
   2,540.33/3,806.37 = 1,306.02/x
3. Step 3: Cross multiply
   2,540.33x = 3,806.37 × 1,306.02
4. Step 4: Simplify right side
   2,540.33x = 4,971,195.35
5. Step 5: Solve for x
   x = 4,971,195.35/2,540.33
6. Step 6: Final answer
   x = 1,956.91