Finding the Fourth Proportional to 1,064.13, 1,468.50 and 622.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064.13 : 1,468.50 = 622.27 : x
2. Step 2: Convert to fraction form
   1,064.13/1,468.50 = 622.27/x
3. Step 3: Cross multiply
   1,064.13x = 1,468.50 × 622.27
4. Step 4: Simplify right side
   1,064.13x = 913,800.38
5. Step 5: Solve for x
   x = 913,800.38/1,064.13
6. Step 6: Final answer
   x = 858.73