Finding the Fourth Proportional to 12,348.05, 17,040.33 and 7,042.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,348.05 : 17,040.33 = 7,042.73 : x
2. Step 2: Convert to fraction form
   12,348.05/17,040.33 = 7,042.73/x
3. Step 3: Cross multiply
   12,348.05x = 17,040.33 × 7,042.73
4. Step 4: Simplify right side
   12,348.05x = 120,010,358.10
5. Step 5: Solve for x
   x = 120,010,358.10/12,348.05
6. Step 6: Final answer
   x = 9,718.98