Finding the Fourth Proportional to 16,533.61, 22,812.83 and 9,821.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,533.61 : 22,812.83 = 9,821.50 : x
2. Step 2: Convert to fraction form
   16,533.61/22,812.83 = 9,821.50/x
3. Step 3: Cross multiply
   16,533.61x = 22,812.83 × 9,821.50
4. Step 4: Simplify right side
   16,533.61x = 224,056,140.54
5. Step 5: Solve for x
   x = 224,056,140.54/16,533.61
6. Step 6: Final answer
   x = 13,551.56