Finding the Fourth Proportional to 9,020.38, 12,448.35 and 5,042.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,020.38 : 12,448.35 = 5,042.15 : x
2. Step 2: Convert to fraction form
   9,020.38/12,448.35 = 5,042.15/x
3. Step 3: Cross multiply
   9,020.38x = 12,448.35 × 5,042.15
4. Step 4: Simplify right side
   9,020.38x = 62,766,422.74
5. Step 5: Solve for x
   x = 62,766,422.74/9,020.38
6. Step 6: Final answer
   x = 6,958.29