Finding the Fourth Proportional to 9,086.76, 13,628.94 and 3,162.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,086.76 : 13,628.94 = 3,162.38 : x
2. Step 2: Convert to fraction form
   9,086.76/13,628.94 = 3,162.38/x
3. Step 3: Cross multiply
   9,086.76x = 13,628.94 × 3,162.38
4. Step 4: Simplify right side
   9,086.76x = 43,099,950.24
5. Step 5: Solve for x
   x = 43,099,950.24/9,086.76
6. Step 6: Final answer
   x = 4,743.16