Finding the Fourth Proportional to 1,136.38, 1,567.50 and 996.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,136.38 : 1,567.50 = 996.50 : x
2. Step 2: Convert to fraction form
   1,136.38/1,567.50 = 996.50/x
3. Step 3: Cross multiply
   1,136.38x = 1,567.50 × 996.50
4. Step 4: Simplify right side
   1,136.38x = 1,562,019.54
5. Step 5: Solve for x
   x = 1,562,019.54/1,136.38
6. Step 6: Final answer
   x = 1,374.56