Finding the Fourth Proportional to 16,517.45, 22,762.61 and 16,213.81

Step by Step Solution

1. Step 1: Write the proportion equation
   16,517.45 : 22,762.61 = 16,213.81 : x
2. Step 2: Convert to fraction form
   16,517.45/22,762.61 = 16,213.81/x
3. Step 3: Cross multiply
   16,517.45x = 22,762.61 × 16,213.81
4. Step 4: Simplify right side
   16,517.45x = 369,068,633.64
5. Step 5: Solve for x
   x = 369,068,633.64/16,517.45
6. Step 6: Final answer
   x = 22,344.17