Finding the Fourth Proportional to 16,182.77, 22,332.18 and 9,109.22

Step by Step Solution

1. Step 1: Write the proportion equation
   16,182.77 : 22,332.18 = 9,109.22 : x
2. Step 2: Convert to fraction form
   16,182.77/22,332.18 = 9,109.22/x
3. Step 3: Cross multiply
   16,182.77x = 22,332.18 × 9,109.22
4. Step 4: Simplify right side
   16,182.77x = 203,428,629.04
5. Step 5: Solve for x
   x = 203,428,629.04/16,182.77
6. Step 6: Final answer
   x = 12,570.70