Finding the Fourth Proportional to 16,058.80, 22,165.59 and 9,345.73

Step by Step Solution

1. Step 1: Write the proportion equation
   16,058.80 : 22,165.59 = 9,345.73 : x
2. Step 2: Convert to fraction form
   16,058.80/22,165.59 = 9,345.73/x
3. Step 3: Cross multiply
   16,058.80x = 22,165.59 × 9,345.73
4. Step 4: Simplify right side
   16,058.80x = 207,153,619.43
5. Step 5: Solve for x
   x = 207,153,619.43/16,058.80
6. Step 6: Final answer
   x = 12,899.69