Finding the Fourth Proportional to 11,791.82, 16,272.72 and 6,487.04

Step by Step Solution

1. Step 1: Write the proportion equation
   11,791.82 : 16,272.72 = 6,487.04 : x
2. Step 2: Convert to fraction form
   11,791.82/16,272.72 = 6,487.04/x
3. Step 3: Cross multiply
   11,791.82x = 16,272.72 × 6,487.04
4. Step 4: Simplify right side
   11,791.82x = 105,561,785.55
5. Step 5: Solve for x
   x = 105,561,785.55/11,791.82
6. Step 6: Final answer
   x = 8,952.12