Finding the Fourth Proportional to 1,064.27, 1,468.33 and 622.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064.27 : 1,468.33 = 622.15 : x
2. Step 2: Convert to fraction form
   1,064.27/1,468.33 = 622.15/x
3. Step 3: Cross multiply
   1,064.27x = 1,468.33 × 622.15
4. Step 4: Simplify right side
   1,064.27x = 913,516.28
5. Step 5: Solve for x
   x = 913,516.28/1,064.27
6. Step 6: Final answer
   x = 858.35