Finding the Fourth Proportional to 22,216.32, 30,658.68 and 12,144.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,216.32 : 30,658.68 = 12,144.96 : x
2. Step 2: Convert to fraction form
   22,216.32/30,658.68 = 12,144.96/x
3. Step 3: Cross multiply
   22,216.32x = 30,658.68 × 12,144.96
4. Step 4: Simplify right side
   22,216.32x = 372,348,442.25
5. Step 5: Solve for x
   x = 372,348,442.25/22,216.32
6. Step 6: Final answer
   x = 16,760.13