Finding the Fourth Proportional to 2,150.65, 3,223.14 and 1,662.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.65 : 3,223.14 = 1,662.76 : x
2. Step 2: Convert to fraction form
   2,150.65/3,223.14 = 1,662.76/x
3. Step 3: Cross multiply
   2,150.65x = 3,223.14 × 1,662.76
4. Step 4: Simplify right side
   2,150.65x = 5,359,308.27
5. Step 5: Solve for x
   x = 5,359,308.27/2,150.65
6. Step 6: Final answer
   x = 2,491.95