Finding the Fourth Proportional to 1,136.35, 1,700.22 and 769.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,136.35 : 1,700.22 = 769.31 : x
2. Step 2: Convert to fraction form
   1,136.35/1,700.22 = 769.31/x
3. Step 3: Cross multiply
   1,136.35x = 1,700.22 × 769.31
4. Step 4: Simplify right side
   1,136.35x = 1,307,996.25
5. Step 5: Solve for x
   x = 1,307,996.25/1,136.35
6. Step 6: Final answer
   x = 1,151.05