Finding the Fourth Proportional to 11,956.51, 16,499.46 and 6,651.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,956.51 : 16,499.46 = 6,651.82 : x
2. Step 2: Convert to fraction form
   11,956.51/16,499.46 = 6,651.82/x
3. Step 3: Cross multiply
   11,956.51x = 16,499.46 × 6,651.82
4. Step 4: Simplify right side
   11,956.51x = 109,751,438.02
5. Step 5: Solve for x
   x = 109,751,438.02/11,956.51
6. Step 6: Final answer
   x = 9,179.22