Finding the Fourth Proportional to 1,314.52, 1,814.02 and 717.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,314.52 : 1,814.02 = 717.01 : x
2. Step 2: Convert to fraction form
   1,314.52/1,814.02 = 717.01/x
3. Step 3: Cross multiply
   1,314.52x = 1,814.02 × 717.01
4. Step 4: Simplify right side
   1,314.52x = 1,300,664.15
5. Step 5: Solve for x
   x = 1,300,664.15/1,314.52
6. Step 6: Final answer
   x = 989.46