Finding the Fourth Proportional to 9,441.56, 12,935.05 and 9,086.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,441.56 : 12,935.05 = 9,086.94 : x
2. Step 2: Convert to fraction form
   9,441.56/12,935.05 = 9,086.94/x
3. Step 3: Cross multiply
   9,441.56x = 12,935.05 × 9,086.94
4. Step 4: Simplify right side
   9,441.56x = 117,540,000.53
5. Step 5: Solve for x
   x = 117,540,000.53/9,441.56
6. Step 6: Final answer
   x = 12,449.21