Finding the Fourth Proportional to 9,020.82, 12,448.79 and 5,042.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,020.82 : 12,448.79 = 5,042.10 : x
2. Step 2: Convert to fraction form
   9,020.82/12,448.79 = 5,042.10/x
3. Step 3: Cross multiply
   9,020.82x = 12,448.79 × 5,042.10
4. Step 4: Simplify right side
   9,020.82x = 62,768,044.06
5. Step 5: Solve for x
   x = 62,768,044.06/9,020.82
6. Step 6: Final answer
   x = 6,958.13