Finding the Fourth Proportional to 16,365.81, 22,585.47 and 9,292.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,365.81 : 22,585.47 = 9,292.89 : x
2. Step 2: Convert to fraction form
   16,365.81/22,585.47 = 9,292.89/x
3. Step 3: Cross multiply
   16,365.81x = 22,585.47 × 9,292.89
4. Step 4: Simplify right side
   16,365.81x = 209,884,288.31
5. Step 5: Solve for x
   x = 209,884,288.31/16,365.81
6. Step 6: Final answer
   x = 12,824.56