Finding the Fourth Proportional to 1,146.38, 1,582.00 and 622.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146.38 : 1,582.00 = 622.42 : x
2. Step 2: Convert to fraction form
   1,146.38/1,582.00 = 622.42/x
3. Step 3: Cross multiply
   1,146.38x = 1,582.00 × 622.42
4. Step 4: Simplify right side
   1,146.38x = 984,662.93
5. Step 5: Solve for x
   x = 984,662.93/1,146.38
6. Step 6: Final answer
   x = 858.94