Finding the Fourth Proportional to 3,874.43, 5,800.51 and 3,601.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,874.43 : 5,800.51 = 3,601.06 : x
2. Step 2: Convert to fraction form
   3,874.43/5,800.51 = 3,601.06/x
3. Step 3: Cross multiply
   3,874.43x = 5,800.51 × 3,601.06
4. Step 4: Simplify right side
   3,874.43x = 20,887,974.54
5. Step 5: Solve for x
   x = 20,887,974.54/3,874.43
6. Step 6: Final answer
   x = 5,391.23