Finding the Fourth Proportional to 2,835.85, 4,254.69 and 1,276.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,835.85 : 4,254.69 = 1,276.69 : x
2. Step 2: Convert to fraction form
   2,835.85/4,254.69 = 1,276.69/x
3. Step 3: Cross multiply
   2,835.85x = 4,254.69 × 1,276.69
4. Step 4: Simplify right side
   2,835.85x = 5,431,920.18
5. Step 5: Solve for x
   x = 5,431,920.18/2,835.85
6. Step 6: Final answer
   x = 1,915.45