Finding the Fourth Proportional to 2,081.82, 3,123.22 and 1,042.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.82 : 3,123.22 = 1,042.26 : x
2. Step 2: Convert to fraction form
   2,081.82/3,123.22 = 1,042.26/x
3. Step 3: Cross multiply
   2,081.82x = 3,123.22 × 1,042.26
4. Step 4: Simplify right side
   2,081.82x = 3,255,207.28
5. Step 5: Solve for x
   x = 3,255,207.28/2,081.82
6. Step 6: Final answer
   x = 1,563.64