Finding the Fourth Proportional to 1,063.94, 1,468.24 and 622.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,063.94 : 1,468.24 = 622.21 : x
2. Step 2: Convert to fraction form
   1,063.94/1,468.24 = 622.21/x
3. Step 3: Cross multiply
   1,063.94x = 1,468.24 × 622.21
4. Step 4: Simplify right side
   1,063.94x = 913,550.50
5. Step 5: Solve for x
   x = 913,550.50/1,063.94
6. Step 6: Final answer
   x = 858.65