Finding the Fourth Proportional to 2,788.98, 4,184.15 and 841.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,788.98 : 4,184.15 = 841.07 : x
2. Step 2: Convert to fraction form
   2,788.98/4,184.15 = 841.07/x
3. Step 3: Cross multiply
   2,788.98x = 4,184.15 × 841.07
4. Step 4: Simplify right side
   2,788.98x = 3,519,137.91
5. Step 5: Solve for x
   x = 3,519,137.91/2,788.98
6. Step 6: Final answer
   x = 1,261.80