Finding the Fourth Proportional to 2,007.06, 3,010.73 and 620.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.06 : 3,010.73 = 620.52 : x
2. Step 2: Convert to fraction form
   2,007.06/3,010.73 = 620.52/x
3. Step 3: Cross multiply
   2,007.06x = 3,010.73 × 620.52
4. Step 4: Simplify right side
   2,007.06x = 1,868,215.08
5. Step 5: Solve for x
   x = 1,868,215.08/2,007.06
6. Step 6: Final answer
   x = 930.82