Finding the Fourth Proportional to 3,665.72, 5,494.33 and 2,841.35

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665.72 : 5,494.33 = 2,841.35 : x
2. Step 2: Convert to fraction form
   3,665.72/5,494.33 = 2,841.35/x
3. Step 3: Cross multiply
   3,665.72x = 5,494.33 × 2,841.35
4. Step 4: Simplify right side
   3,665.72x = 15,611,290.63
5. Step 5: Solve for x
   x = 15,611,290.63/3,665.72
6. Step 6: Final answer
   x = 4,258.72