Finding the Fourth Proportional to 8,086.50, 12,135.42 and 2,892.51

Step by Step Solution

1. Step 1: Write the proportion equation
   8,086.50 : 12,135.42 = 2,892.51 : x
2. Step 2: Convert to fraction form
   8,086.50/12,135.42 = 2,892.51/x
3. Step 3: Cross multiply
   8,086.50x = 12,135.42 × 2,892.51
4. Step 4: Simplify right side
   8,086.50x = 35,101,823.70
5. Step 5: Solve for x
   x = 35,101,823.70/8,086.50
6. Step 6: Final answer
   x = 4,340.79