Finding the Fourth Proportional to 13,066.48, 19,624.92 and 11,196.60

Step by Step Solution

1. Step 1: Write the proportion equation
   13,066.48 : 19,624.92 = 11,196.60 : x
2. Step 2: Convert to fraction form
   13,066.48/19,624.92 = 11,196.60/x
3. Step 3: Cross multiply
   13,066.48x = 19,624.92 × 11,196.60
4. Step 4: Simplify right side
   13,066.48x = 219,732,379.27
5. Step 5: Solve for x
   x = 219,732,379.27/13,066.48
6. Step 6: Final answer
   x = 16,816.49