Finding the Fourth Proportional to 2,917.43, 4,374.82 and 836.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,917.43 : 4,374.82 = 836.96 : x
2. Step 2: Convert to fraction form
   2,917.43/4,374.82 = 836.96/x
3. Step 3: Cross multiply
   2,917.43x = 4,374.82 × 836.96
4. Step 4: Simplify right side
   2,917.43x = 3,661,536.72
5. Step 5: Solve for x
   x = 3,661,536.72/2,917.43
6. Step 6: Final answer
   x = 1,255.06