Finding the Fourth Proportional to 11,679.36, 16,111.68 and 7,484.48

Step by Step Solution

1. Step 1: Write the proportion equation
   11,679.36 : 16,111.68 = 7,484.48 : x
2. Step 2: Convert to fraction form
   11,679.36/16,111.68 = 7,484.48/x
3. Step 3: Cross multiply
   11,679.36x = 16,111.68 × 7,484.48
4. Step 4: Simplify right side
   11,679.36x = 120,587,546.73
5. Step 5: Solve for x
   x = 120,587,546.73/11,679.36
6. Step 6: Final answer
   x = 10,324.84