Finding the Fourth Proportional to 2,061.28, 2,844.43 and 1,275.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.28 : 2,844.43 = 1,275.17 : x
2. Step 2: Convert to fraction form
   2,061.28/2,844.43 = 1,275.17/x
3. Step 3: Cross multiply
   2,061.28x = 2,844.43 × 1,275.17
4. Step 4: Simplify right side
   2,061.28x = 3,627,131.80
5. Step 5: Solve for x
   x = 3,627,131.80/2,061.28
6. Step 6: Final answer
   x = 1,759.65