Finding the Fourth Proportional to 1,238.42, 1,708.98 and 741.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,238.42 : 1,708.98 = 741.06 : x
2. Step 2: Convert to fraction form
   1,238.42/1,708.98 = 741.06/x
3. Step 3: Cross multiply
   1,238.42x = 1,708.98 × 741.06
4. Step 4: Simplify right side
   1,238.42x = 1,266,456.72
5. Step 5: Solve for x
   x = 1,266,456.72/1,238.42
6. Step 6: Final answer
   x = 1,022.64