Finding the Fourth Proportional to 2,074.71, 3,111.01 and 841.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.71 : 3,111.01 = 841.79 : x
2. Step 2: Convert to fraction form
   2,074.71/3,111.01 = 841.79/x
3. Step 3: Cross multiply
   2,074.71x = 3,111.01 × 841.79
4. Step 4: Simplify right side
   2,074.71x = 2,618,822.78
5. Step 5: Solve for x
   x = 2,618,822.78/2,074.71
6. Step 6: Final answer
   x = 1,262.26