Finding the Fourth Proportional to 8,058.73, 12,088.09 and 3,131.83

Step by Step Solution

1. Step 1: Write the proportion equation
   8,058.73 : 12,088.09 = 3,131.83 : x
2. Step 2: Convert to fraction form
   8,058.73/12,088.09 = 3,131.83/x
3. Step 3: Cross multiply
   8,058.73x = 12,088.09 × 3,131.83
4. Step 4: Simplify right side
   8,058.73x = 37,857,842.90
5. Step 5: Solve for x
   x = 37,857,842.90/8,058.73
6. Step 6: Final answer
   x = 4,697.74