Finding the Fourth Proportional to 2,540.96, 3,810.75 and 897.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540.96 : 3,810.75 = 897.29 : x
2. Step 2: Convert to fraction form
   2,540.96/3,810.75 = 897.29/x
3. Step 3: Cross multiply
   2,540.96x = 3,810.75 × 897.29
4. Step 4: Simplify right side
   2,540.96x = 3,419,326.57
5. Step 5: Solve for x
   x = 3,419,326.57/2,540.96
6. Step 6: Final answer
   x = 1,345.69