Finding the Fourth Proportional to 1,064.37, 1,468.91 and 622.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064.37 : 1,468.91 = 622.32 : x
2. Step 2: Convert to fraction form
   1,064.37/1,468.91 = 622.32/x
3. Step 3: Cross multiply
   1,064.37x = 1,468.91 × 622.32
4. Step 4: Simplify right side
   1,064.37x = 914,128.96
5. Step 5: Solve for x
   x = 914,128.96/1,064.37
6. Step 6: Final answer
   x = 858.85