Finding the Fourth Proportional to 1,131.04, 1,696.29 and 826.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.04 : 1,696.29 = 826.48 : x
2. Step 2: Convert to fraction form
   1,131.04/1,696.29 = 826.48/x
3. Step 3: Cross multiply
   1,131.04x = 1,696.29 × 826.48
4. Step 4: Simplify right side
   1,131.04x = 1,401,949.76
5. Step 5: Solve for x
   x = 1,401,949.76/1,131.04
6. Step 6: Final answer
   x = 1,239.52