Finding the Fourth Proportional to 2,540.09, 3,810.59 and 897.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540.09 : 3,810.59 = 897.59 : x
2. Step 2: Convert to fraction form
   2,540.09/3,810.59 = 897.59/x
3. Step 3: Cross multiply
   2,540.09x = 3,810.59 × 897.59
4. Step 4: Simplify right side
   2,540.09x = 3,420,347.48
5. Step 5: Solve for x
   x = 3,420,347.48/2,540.09
6. Step 6: Final answer
   x = 1,346.55