Finding the Fourth Proportional to 12,424.01, 17,144.82 and 7,118.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,424.01 : 17,144.82 = 7,118.48 : x
2. Step 2: Convert to fraction form
   12,424.01/17,144.82 = 7,118.48/x
3. Step 3: Cross multiply
   12,424.01x = 17,144.82 × 7,118.48
4. Step 4: Simplify right side
   12,424.01x = 122,045,058.27
5. Step 5: Solve for x
   x = 122,045,058.27/12,424.01
6. Step 6: Final answer
   x = 9,823.33