Finding the Fourth Proportional to 1,064.48, 1,468.89 and 622.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064.48 : 1,468.89 = 622.33 : x
2. Step 2: Convert to fraction form
   1,064.48/1,468.89 = 622.33/x
3. Step 3: Cross multiply
   1,064.48x = 1,468.89 × 622.33
4. Step 4: Simplify right side
   1,064.48x = 914,130.64
5. Step 5: Solve for x
   x = 914,130.64/1,064.48
6. Step 6: Final answer
   x = 858.76