Finding the Fourth Proportional to 2,836.25, 4,250.78 and 1,274.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,836.25 : 4,250.78 = 1,274.59 : x
2. Step 2: Convert to fraction form
   2,836.25/4,250.78 = 1,274.59/x
3. Step 3: Cross multiply
   2,836.25x = 4,250.78 × 1,274.59
4. Step 4: Simplify right side
   2,836.25x = 5,417,981.49
5. Step 5: Solve for x
   x = 5,417,981.49/2,836.25
6. Step 6: Final answer
   x = 1,910.26