Finding the Fourth Proportional to 1,136.94, 1,568.50 and 716.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,136.94 : 1,568.50 = 716.54 : x
2. Step 2: Convert to fraction form
   1,136.94/1,568.50 = 716.54/x
3. Step 3: Cross multiply
   1,136.94x = 1,568.50 × 716.54
4. Step 4: Simplify right side
   1,136.94x = 1,123,892.99
5. Step 5: Solve for x
   x = 1,123,892.99/1,136.94
6. Step 6: Final answer
   x = 988.52