Finding the Fourth Proportional to 16,820.24, 23,196.84 and 10,533.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,820.24 : 23,196.84 = 10,533.20 : x
2. Step 2: Convert to fraction form
   16,820.24/23,196.84 = 10,533.20/x
3. Step 3: Cross multiply
   16,820.24x = 23,196.84 × 10,533.20
4. Step 4: Simplify right side
   16,820.24x = 244,336,955.09
5. Step 5: Solve for x
   x = 244,336,955.09/16,820.24
6. Step 6: Final answer
   x = 14,526.37