Finding the Fourth Proportional to 22,072.08, 30,459.06 and 12,000.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,072.08 : 30,459.06 = 12,000.72 : x
2. Step 2: Convert to fraction form
   22,072.08/30,459.06 = 12,000.72/x
3. Step 3: Cross multiply
   22,072.08x = 30,459.06 × 12,000.72
4. Step 4: Simplify right side
   22,072.08x = 365,530,650.52
5. Step 5: Solve for x
   x = 365,530,650.52/22,072.08
6. Step 6: Final answer
   x = 16,560.77