Finding the Fourth Proportional to 9,249.50, 12,760.72 and 5,891.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,249.50 : 12,760.72 = 5,891.71 : x
2. Step 2: Convert to fraction form
   9,249.50/12,760.72 = 5,891.71/x
3. Step 3: Cross multiply
   9,249.50x = 12,760.72 × 5,891.71
4. Step 4: Simplify right side
   9,249.50x = 75,182,415.00
5. Step 5: Solve for x
   x = 75,182,415.00/9,249.50
6. Step 6: Final answer
   x = 8,128.27