Finding the Fourth Proportional to 1,314.53, 1,814.02 and 717.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,314.53 : 1,814.02 = 717.04 : x
2. Step 2: Convert to fraction form
   1,314.53/1,814.02 = 717.04/x
3. Step 3: Cross multiply
   1,314.53x = 1,814.02 × 717.04
4. Step 4: Simplify right side
   1,314.53x = 1,300,730.81
5. Step 5: Solve for x
   x = 1,300,730.81/1,314.53
6. Step 6: Final answer
   x = 989.50