Finding the Fourth Proportional to 3,874.37, 5,806.89 and 1,791.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,874.37 : 5,806.89 = 1,791.54 : x
2. Step 2: Convert to fraction form
   3,874.37/5,806.89 = 1,791.54/x
3. Step 3: Cross multiply
   3,874.37x = 5,806.89 × 1,791.54
4. Step 4: Simplify right side
   3,874.37x = 10,403,275.71
5. Step 5: Solve for x
   x = 10,403,275.71/3,874.37
6. Step 6: Final answer
   x = 2,685.16