Finding the Fourth Proportional to 2,294.64, 3,440.52 and 1,061.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,294.64 : 3,440.52 = 1,061.28 : x
2. Step 2: Convert to fraction form
   2,294.64/3,440.52 = 1,061.28/x
3. Step 3: Cross multiply
   2,294.64x = 3,440.52 × 1,061.28
4. Step 4: Simplify right side
   2,294.64x = 3,651,355.07
5. Step 5: Solve for x
   x = 3,651,355.07/2,294.64
6. Step 6: Final answer
   x = 1,591.25