Finding the Fourth Proportional to 9,306.60, 12,849.82 and 5,726.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,306.60 : 12,849.82 = 5,726.37 : x
2. Step 2: Convert to fraction form
   9,306.60/12,849.82 = 5,726.37/x
3. Step 3: Cross multiply
   9,306.60x = 12,849.82 × 5,726.37
4. Step 4: Simplify right side
   9,306.60x = 73,582,857.62
5. Step 5: Solve for x
   x = 73,582,857.62/9,306.60
6. Step 6: Final answer
   x = 7,906.53