Finding the Fourth Proportional to 11,951.96, 16,496.47 and 6,919.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,951.96 : 16,496.47 = 6,919.12 : x
2. Step 2: Convert to fraction form
   11,951.96/16,496.47 = 6,919.12/x
3. Step 3: Cross multiply
   11,951.96x = 16,496.47 × 6,919.12
4. Step 4: Simplify right side
   11,951.96x = 114,141,094.51
5. Step 5: Solve for x
   x = 114,141,094.51/11,951.96
6. Step 6: Final answer
   x = 9,549.99