Finding the Fourth Proportional to 16,336.30, 22,821.50 and 16,336.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,336.30 : 22,821.50 = 16,336.30 : x
2. Step 2: Convert to fraction form
   16,336.30/22,821.50 = 16,336.30/x
3. Step 3: Cross multiply
   16,336.30x = 22,821.50 × 16,336.30
4. Step 4: Simplify right side
   16,336.30x = 372,818,870.45
5. Step 5: Solve for x
   x = 372,818,870.45/16,336.30
6. Step 6: Final answer
   x = 22,821.50