Finding the Fourth Proportional to 3,580.72, 5,367.83 and 1,271.68

Step by Step Solution

1. Step 1: Write the proportion equation
   3,580.72 : 5,367.83 = 1,271.68 : x
2. Step 2: Convert to fraction form
   3,580.72/5,367.83 = 1,271.68/x
3. Step 3: Cross multiply
   3,580.72x = 5,367.83 × 1,271.68
4. Step 4: Simplify right side
   3,580.72x = 6,826,151.81
5. Step 5: Solve for x
   x = 6,826,151.81/3,580.72
6. Step 6: Final answer
   x = 1,906.36