Finding the Fourth Proportional to 2,821.98, 4,234.84 and 1,261.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,821.98 : 4,234.84 = 1,261.46 : x
2. Step 2: Convert to fraction form
   2,821.98/4,234.84 = 1,261.46/x
3. Step 3: Cross multiply
   2,821.98x = 4,234.84 × 1,261.46
4. Step 4: Simplify right side
   2,821.98x = 5,342,081.27
5. Step 5: Solve for x
   x = 5,342,081.27/2,821.98
6. Step 6: Final answer
   x = 1,893.03