Finding the Fourth Proportional to 2,599.16, 3,900.94 and 1,040.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,599.16 : 3,900.94 = 1,040.27 : x
2. Step 2: Convert to fraction form
   2,599.16/3,900.94 = 1,040.27/x
3. Step 3: Cross multiply
   2,599.16x = 3,900.94 × 1,040.27
4. Step 4: Simplify right side
   2,599.16x = 4,058,008.75
5. Step 5: Solve for x
   x = 4,058,008.75/2,599.16
6. Step 6: Final answer
   x = 1,561.28