Finding the Fourth Proportional to 8,058.27, 12,086.50 and 3,131.45

Step by Step Solution

1. Step 1: Write the proportion equation
   8,058.27 : 12,086.50 = 3,131.45 : x
2. Step 2: Convert to fraction form
   8,058.27/12,086.50 = 3,131.45/x
3. Step 3: Cross multiply
   8,058.27x = 12,086.50 × 3,131.45
4. Step 4: Simplify right side
   8,058.27x = 37,848,270.43
5. Step 5: Solve for x
   x = 37,848,270.43/8,058.27
6. Step 6: Final answer
   x = 4,696.82