Finding the Fourth Proportional to 1,342.27, 1,852.15 and 752.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,342.27 : 1,852.15 = 752.81 : x
2. Step 2: Convert to fraction form
   1,342.27/1,852.15 = 752.81/x
3. Step 3: Cross multiply
   1,342.27x = 1,852.15 × 752.81
4. Step 4: Simplify right side
   1,342.27x = 1,394,317.04
5. Step 5: Solve for x
   x = 1,394,317.04/1,342.27
6. Step 6: Final answer
   x = 1,038.78