Finding the Fourth Proportional to 11,724.54, 16,180.97 and 7,008.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,724.54 : 16,180.97 = 7,008.72 : x
2. Step 2: Convert to fraction form
   11,724.54/16,180.97 = 7,008.72/x
3. Step 3: Cross multiply
   11,724.54x = 16,180.97 × 7,008.72
4. Step 4: Simplify right side
   11,724.54x = 113,407,853.01
5. Step 5: Solve for x
   x = 113,407,853.01/11,724.54
6. Step 6: Final answer
   x = 9,672.69