Finding the Fourth Proportional to 2,061.40, 2,845.27 and 1,274.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.40 : 2,845.27 = 1,274.99 : x
2. Step 2: Convert to fraction form
   2,061.40/2,845.27 = 1,274.99/x
3. Step 3: Cross multiply
   2,061.40x = 2,845.27 × 1,274.99
4. Step 4: Simplify right side
   2,061.40x = 3,627,690.80
5. Step 5: Solve for x
   x = 3,627,690.80/2,061.40
6. Step 6: Final answer
   x = 1,759.82