Finding the Fourth Proportional to 2,272.89, 3,410.15 and 1,040.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,272.89 : 3,410.15 = 1,040.61 : x
2. Step 2: Convert to fraction form
   2,272.89/3,410.15 = 1,040.61/x
3. Step 3: Cross multiply
   2,272.89x = 3,410.15 × 1,040.61
4. Step 4: Simplify right side
   2,272.89x = 3,548,630.99
5. Step 5: Solve for x
   x = 3,548,630.99/2,272.89
6. Step 6: Final answer
   x = 1,561.29