Finding the Fourth Proportional to 1,243.02, 1,727.25 and 1,229.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,243.02 : 1,727.25 = 1,229.52 : x
2. Step 2: Convert to fraction form
   1,243.02/1,727.25 = 1,229.52/x
3. Step 3: Cross multiply
   1,243.02x = 1,727.25 × 1,229.52
4. Step 4: Simplify right side
   1,243.02x = 2,123,688.42
5. Step 5: Solve for x
   x = 2,123,688.42/1,243.02
6. Step 6: Final answer
   x = 1,708.49