Finding the Fourth Proportional to 9,020.98, 12,448.72 and 5,042.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,020.98 : 12,448.72 = 5,042.12 : x
2. Step 2: Convert to fraction form
   9,020.98/12,448.72 = 5,042.12/x
3. Step 3: Cross multiply
   9,020.98x = 12,448.72 × 5,042.12
4. Step 4: Simplify right side
   9,020.98x = 62,767,865.24
5. Step 5: Solve for x
   x = 62,767,865.24/9,020.98
6. Step 6: Final answer
   x = 6,957.99