Finding the Fourth Proportional to 2,788.96, 4,182.90 and 841.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,788.96 : 4,182.90 = 841.18 : x
2. Step 2: Convert to fraction form
   2,788.96/4,182.90 = 841.18/x
3. Step 3: Cross multiply
   2,788.96x = 4,182.90 × 841.18
4. Step 4: Simplify right side
   2,788.96x = 3,518,571.82
5. Step 5: Solve for x
   x = 3,518,571.82/2,788.96
6. Step 6: Final answer
   x = 1,261.61