Finding the Fourth Proportional to 2,148.99, 3,223.27 and 762.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,148.99 : 3,223.27 = 762.27 : x
2. Step 2: Convert to fraction form
   2,148.99/3,223.27 = 762.27/x
3. Step 3: Cross multiply
   2,148.99x = 3,223.27 × 762.27
4. Step 4: Simplify right side
   2,148.99x = 2,457,002.02
5. Step 5: Solve for x
   x = 2,457,002.02/2,148.99
6. Step 6: Final answer
   x = 1,143.33