Finding the Fourth Proportional to 1,064.37, 1,468.82 and 622.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064.37 : 1,468.82 = 622.18 : x
2. Step 2: Convert to fraction form
   1,064.37/1,468.82 = 622.18/x
3. Step 3: Cross multiply
   1,064.37x = 1,468.82 × 622.18
4. Step 4: Simplify right side
   1,064.37x = 913,874.45
5. Step 5: Solve for x
   x = 913,874.45/1,064.37
6. Step 6: Final answer
   x = 858.61