Finding the Fourth Proportional to 2,009.82, 3,013.60 and 622.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,009.82 : 3,013.60 = 622.76 : x
2. Step 2: Convert to fraction form
   2,009.82/3,013.60 = 622.76/x
3. Step 3: Cross multiply
   2,009.82x = 3,013.60 × 622.76
4. Step 4: Simplify right side
   2,009.82x = 1,876,749.54
5. Step 5: Solve for x
   x = 1,876,749.54/2,009.82
6. Step 6: Final answer
   x = 933.79