Finding the Fourth Proportional to 9,020.99, 12,448.53 and 5,042.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,020.99 : 12,448.53 = 5,042.07 : x
2. Step 2: Convert to fraction form
   9,020.99/12,448.53 = 5,042.07/x
3. Step 3: Cross multiply
   9,020.99x = 12,448.53 × 5,042.07
4. Step 4: Simplify right side
   9,020.99x = 62,766,359.66
5. Step 5: Solve for x
   x = 62,766,359.66/9,020.99
6. Step 6: Final answer
   x = 6,957.81