Finding the Fourth Proportional to 1,039.27, 1,434.18 and 567.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039.27 : 1,434.18 = 567.16 : x
2. Step 2: Convert to fraction form
   1,039.27/1,434.18 = 567.16/x
3. Step 3: Cross multiply
   1,039.27x = 1,434.18 × 567.16
4. Step 4: Simplify right side
   1,039.27x = 813,409.53
5. Step 5: Solve for x
   x = 813,409.53/1,039.27
6. Step 6: Final answer
   x = 782.67