Finding the Fourth Proportional to 2,074.89, 3,112.29 and 841.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.89 : 3,112.29 = 841.97 : x
2. Step 2: Convert to fraction form
   2,074.89/3,112.29 = 841.97/x
3. Step 3: Cross multiply
   2,074.89x = 3,112.29 × 841.97
4. Step 4: Simplify right side
   2,074.89x = 2,620,454.81
5. Step 5: Solve for x
   x = 2,620,454.81/2,074.89
6. Step 6: Final answer
   x = 1,262.94