Finding the Fourth Proportional to 1,012.33, 1,394.00 and 938.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012.33 : 1,394.00 = 938.82 : x
2. Step 2: Convert to fraction form
   1,012.33/1,394.00 = 938.82/x
3. Step 3: Cross multiply
   1,012.33x = 1,394.00 × 938.82
4. Step 4: Simplify right side
   1,012.33x = 1,308,710.39
5. Step 5: Solve for x
   x = 1,308,710.39/1,012.33
6. Step 6: Final answer
   x = 1,292.77