Finding the Fourth Proportional to 16,221.42, 24,288.12 and 13,567.86

Step by Step Solution

1. Step 1: Write the proportion equation
   16,221.42 : 24,288.12 = 13,567.86 : x
2. Step 2: Convert to fraction form
   16,221.42/24,288.12 = 13,567.86/x
3. Step 3: Cross multiply
   16,221.42x = 24,288.12 × 13,567.86
4. Step 4: Simplify right side
   16,221.42x = 329,537,811.82
5. Step 5: Solve for x
   x = 329,537,811.82/16,221.42
6. Step 6: Final answer
   x = 20,314.98