Finding the Fourth Proportional to 16,522.48, 22,769.52 and 16,218.81

Step by Step Solution

1. Step 1: Write the proportion equation
   16,522.48 : 22,769.52 = 16,218.81 : x
2. Step 2: Convert to fraction form
   16,522.48/22,769.52 = 16,218.81/x
3. Step 3: Cross multiply
   16,522.48x = 22,769.52 × 16,218.81
4. Step 4: Simplify right side
   16,522.48x = 369,294,518.67
5. Step 5: Solve for x
   x = 369,294,518.67/16,522.48
6. Step 6: Final answer
   x = 22,351.03