Finding the Fourth Proportional to 12,348.06, 17,040.06 and 7,042.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,348.06 : 17,040.06 = 7,042.38 : x
2. Step 2: Convert to fraction form
   12,348.06/17,040.06 = 7,042.38/x
3. Step 3: Cross multiply
   12,348.06x = 17,040.06 × 7,042.38
4. Step 4: Simplify right side
   12,348.06x = 120,002,577.74
5. Step 5: Solve for x
   x = 120,002,577.74/12,348.06
6. Step 6: Final answer
   x = 9,718.33