Finding the Fourth Proportional to 8,791.72, 13,175.28 and 5,092.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,791.72 : 13,175.28 = 5,092.96 : x
2. Step 2: Convert to fraction form
   8,791.72/13,175.28 = 5,092.96/x
3. Step 3: Cross multiply
   8,791.72x = 13,175.28 × 5,092.96
4. Step 4: Simplify right side
   8,791.72x = 67,101,174.03
5. Step 5: Solve for x
   x = 67,101,174.03/8,791.72
6. Step 6: Final answer
   x = 7,632.31