Finding the Fourth Proportional to 16,131.66, 22,261.71 and 9,058.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,131.66 : 22,261.71 = 9,058.10 : x
2. Step 2: Convert to fraction form
   16,131.66/22,261.71 = 9,058.10/x
3. Step 3: Cross multiply
   16,131.66x = 22,261.71 × 9,058.10
4. Step 4: Simplify right side
   16,131.66x = 201,648,684.04
5. Step 5: Solve for x
   x = 201,648,684.04/16,131.66
6. Step 6: Final answer
   x = 12,500.18