Finding the Fourth Proportional to 5,174.00, 7,758.31 and 2,540.33

Step by Step Solution

1. Step 1: Write the proportion equation
   5,174.00 : 7,758.31 = 2,540.33 : x
2. Step 2: Convert to fraction form
   5,174.00/7,758.31 = 2,540.33/x
3. Step 3: Cross multiply
   5,174.00x = 7,758.31 × 2,540.33
4. Step 4: Simplify right side
   5,174.00x = 19,708,616.15
5. Step 5: Solve for x
   x = 19,708,616.15/5,174.00
6. Step 6: Final answer
   x = 3,809.17