Finding the Fourth Proportional to 9,086.92, 13,635.83 and 3,892.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,086.92 : 13,635.83 = 3,892.79 : x
2. Step 2: Convert to fraction form
   9,086.92/13,635.83 = 3,892.79/x
3. Step 3: Cross multiply
   9,086.92x = 13,635.83 × 3,892.79
4. Step 4: Simplify right side
   9,086.92x = 53,081,466.49
5. Step 5: Solve for x
   x = 53,081,466.49/9,086.92
6. Step 6: Final answer
   x = 5,841.53