Finding the Fourth Proportional to 11,956.50, 16,499.52 and 6,651.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,956.50 : 16,499.52 = 6,651.18 : x
2. Step 2: Convert to fraction form
   11,956.50/16,499.52 = 6,651.18/x
3. Step 3: Cross multiply
   11,956.50x = 16,499.52 × 6,651.18
4. Step 4: Simplify right side
   11,956.50x = 109,741,277.43
5. Step 5: Solve for x
   x = 109,741,277.43/11,956.50
6. Step 6: Final answer
   x = 9,178.38