Finding the Fourth Proportional to 2,337.81, 3,224.12 and 1,806.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,337.81 : 3,224.12 = 1,806.72 : x
2. Step 2: Convert to fraction form
   2,337.81/3,224.12 = 1,806.72/x
3. Step 3: Cross multiply
   2,337.81x = 3,224.12 × 1,806.72
4. Step 4: Simplify right side
   2,337.81x = 5,825,073.05
5. Step 5: Solve for x
   x = 5,825,073.05/2,337.81
6. Step 6: Final answer
   x = 2,491.68