Finding the Fourth Proportional to 1,013.33, 1,394.00 and 826.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,013.33 : 1,394.00 = 826.41 : x
2. Step 2: Convert to fraction form
   1,013.33/1,394.00 = 826.41/x
3. Step 3: Cross multiply
   1,013.33x = 1,394.00 × 826.41
4. Step 4: Simplify right side
   1,013.33x = 1,152,017.61
5. Step 5: Solve for x
   x = 1,152,017.61/1,013.33
6. Step 6: Final answer
   x = 1,136.86