Finding the Fourth Proportional to 2,789.55, 4,184.94 and 841.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,789.55 : 4,184.94 = 841.61 : x
2. Step 2: Convert to fraction form
   2,789.55/4,184.94 = 841.61/x
3. Step 3: Cross multiply
   2,789.55x = 4,184.94 × 841.61
4. Step 4: Simplify right side
   2,789.55x = 3,522,066.43
5. Step 5: Solve for x
   x = 3,522,066.43/2,789.55
6. Step 6: Final answer
   x = 1,262.59