Finding the Fourth Proportional to 9,726.52, 13,394.35 and 8,449.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,726.52 : 13,394.35 = 8,449.82 : x
2. Step 2: Convert to fraction form
   9,726.52/13,394.35 = 8,449.82/x
3. Step 3: Cross multiply
   9,726.52x = 13,394.35 × 8,449.82
4. Step 4: Simplify right side
   9,726.52x = 113,179,846.52
5. Step 5: Solve for x
   x = 113,179,846.52/9,726.52
6. Step 6: Final answer
   x = 11,636.21