Finding the Fourth Proportional to 1,064.82, 1,469.34 and 622.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064.82 : 1,469.34 = 622.62 : x
2. Step 2: Convert to fraction form
   1,064.82/1,469.34 = 622.62/x
3. Step 3: Cross multiply
   1,064.82x = 1,469.34 × 622.62
4. Step 4: Simplify right side
   1,064.82x = 914,840.47
5. Step 5: Solve for x
   x = 914,840.47/1,064.82
6. Step 6: Final answer
   x = 859.15