Finding the Fourth Proportional to 16,335, 22,533.98 and 9,620.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,335 : 22,533.98 = 9,620.30 : x
2. Step 2: Convert to fraction form
   16,335/22,533.98 = 9,620.30/x
3. Step 3: Cross multiply
   16,335x = 22,533.98 × 9,620.30
4. Step 4: Simplify right side
   16,335x = 216,783,647.79
5. Step 5: Solve for x
   x = 216,783,647.79/16,335
6. Step 6: Final answer
   x = 13,271.11