Finding the Fourth Proportional to 3,581.52, 5,360.28 and 2,626.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,581.52 : 5,360.28 = 2,626.53 : x
2. Step 2: Convert to fraction form
   3,581.52/5,360.28 = 2,626.53/x
3. Step 3: Cross multiply
   3,581.52x = 5,360.28 × 2,626.53
4. Step 4: Simplify right side
   3,581.52x = 14,078,906.28
5. Step 5: Solve for x
   x = 14,078,906.28/3,581.52
6. Step 6: Final answer
   x = 3,930.99