Finding the Fourth Proportional to 2,227.21, 3,073.39 and 1,232.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.21 : 3,073.39 = 1,232.31 : x
2. Step 2: Convert to fraction form
   2,227.21/3,073.39 = 1,232.31/x
3. Step 3: Cross multiply
   2,227.21x = 3,073.39 × 1,232.31
4. Step 4: Simplify right side
   2,227.21x = 3,787,369.23
5. Step 5: Solve for x
   x = 3,787,369.23/2,227.21
6. Step 6: Final answer
   x = 1,700.50