Finding the Fourth Proportional to 1,064.70, 1,468.96 and 622.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064.70 : 1,468.96 = 622.52 : x
2. Step 2: Convert to fraction form
   1,064.70/1,468.96 = 622.52/x
3. Step 3: Cross multiply
   1,064.70x = 1,468.96 × 622.52
4. Step 4: Simplify right side
   1,064.70x = 914,456.98
5. Step 5: Solve for x
   x = 914,456.98/1,064.70
6. Step 6: Final answer
   x = 858.89