Finding the Fourth Proportional to 16,536.56, 22,821.96 and 10,871.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,536.56 : 22,821.96 = 10,871.60 : x
2. Step 2: Convert to fraction form
   16,536.56/22,821.96 = 10,871.60/x
3. Step 3: Cross multiply
   16,536.56x = 22,821.96 × 10,871.60
4. Step 4: Simplify right side
   16,536.56x = 248,111,220.34
5. Step 5: Solve for x
   x = 248,111,220.34/16,536.56
6. Step 6: Final answer
   x = 15,003.80