Finding the Fourth Proportional to 2,009.76, 3,014.71 and 622.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,009.76 : 3,014.71 = 622.97 : x
2. Step 2: Convert to fraction form
   2,009.76/3,014.71 = 622.97/x
3. Step 3: Cross multiply
   2,009.76x = 3,014.71 × 622.97
4. Step 4: Simplify right side
   2,009.76x = 1,878,073.89
5. Step 5: Solve for x
   x = 1,878,073.89/2,009.76
6. Step 6: Final answer
   x = 934.48