Finding the Fourth Proportional to 1,662.96, 2,495.16 and 622.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.96 : 2,495.16 = 622.83 : x
2. Step 2: Convert to fraction form
   1,662.96/2,495.16 = 622.83/x
3. Step 3: Cross multiply
   1,662.96x = 2,495.16 × 622.83
4. Step 4: Simplify right side
   1,662.96x = 1,554,061.97
5. Step 5: Solve for x
   x = 1,554,061.97/1,662.96
6. Step 6: Final answer
   x = 934.51