Finding the Fourth Proportional to 1,662.00, 2,493.91 and 622.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.00 : 2,493.91 = 622.72 : x
2. Step 2: Convert to fraction form
   1,662.00/2,493.91 = 622.72/x
3. Step 3: Cross multiply
   1,662.00x = 2,493.91 × 622.72
4. Step 4: Simplify right side
   1,662.00x = 1,553,013.28
5. Step 5: Solve for x
   x = 1,553,013.28/1,662.00
6. Step 6: Final answer
   x = 934.42