Finding the Fourth Proportional to 2,020.69, 3,030.83 and 634.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020.69 : 3,030.83 = 634.04 : x
2. Step 2: Convert to fraction form
   2,020.69/3,030.83 = 634.04/x
3. Step 3: Cross multiply
   2,020.69x = 3,030.83 × 634.04
4. Step 4: Simplify right side
   2,020.69x = 1,921,651.51
5. Step 5: Solve for x
   x = 1,921,651.51/2,020.69
6. Step 6: Final answer
   x = 950.99