Finding the Fourth Proportional to 2,009.06, 3,013.72 and 622.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,009.06 : 3,013.72 = 622.52 : x
2. Step 2: Convert to fraction form
   2,009.06/3,013.72 = 622.52/x
3. Step 3: Cross multiply
   2,009.06x = 3,013.72 × 622.52
4. Step 4: Simplify right side
   2,009.06x = 1,876,100.97
5. Step 5: Solve for x
   x = 1,876,100.97/2,009.06
6. Step 6: Final answer
   x = 933.82