Finding the Fourth Proportional to 2,841.72, 3,920.82 and 1,663.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,841.72 : 3,920.82 = 1,663.08 : x
2. Step 2: Convert to fraction form
   2,841.72/3,920.82 = 1,663.08/x
3. Step 3: Cross multiply
   2,841.72x = 3,920.82 × 1,663.08
4. Step 4: Simplify right side
   2,841.72x = 6,520,637.33
5. Step 5: Solve for x
   x = 6,520,637.33/2,841.72
6. Step 6: Final answer
   x = 2,294.61