Finding the Fourth Proportional to 11,058.50, 16,588.82 and 3,161.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,058.50 : 16,588.82 = 3,161.31 : x
2. Step 2: Convert to fraction form
   11,058.50/16,588.82 = 3,161.31/x
3. Step 3: Cross multiply
   11,058.50x = 16,588.82 × 3,161.31
4. Step 4: Simplify right side
   11,058.50x = 52,442,386.75
5. Step 5: Solve for x
   x = 52,442,386.75/11,058.50
6. Step 6: Final answer
   x = 4,742.27