Finding the Fourth Proportional to 2,009.25, 3,013.98 and 622.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,009.25 : 3,013.98 = 622.62 : x
2. Step 2: Convert to fraction form
   2,009.25/3,013.98 = 622.62/x
3. Step 3: Cross multiply
   2,009.25x = 3,013.98 × 622.62
4. Step 4: Simplify right side
   2,009.25x = 1,876,564.23
5. Step 5: Solve for x
   x = 1,876,564.23/2,009.25
6. Step 6: Final answer
   x = 933.96