Finding the Fourth Proportional to 1,238.48, 1,707.81 and 1,062.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,238.48 : 1,707.81 = 1,062.03 : x
2. Step 2: Convert to fraction form
   1,238.48/1,707.81 = 1,062.03/x
3. Step 3: Cross multiply
   1,238.48x = 1,707.81 × 1,062.03
4. Step 4: Simplify right side
   1,238.48x = 1,813,745.45
5. Step 5: Solve for x
   x = 1,813,745.45/1,238.48
6. Step 6: Final answer
   x = 1,464.49