Finding the Fourth Proportional to 22,072.47, 30,459.98 and 12,000.89

Step by Step Solution

1. Step 1: Write the proportion equation
   22,072.47 : 30,459.98 = 12,000.89 : x
2. Step 2: Convert to fraction form
   22,072.47/30,459.98 = 12,000.89/x
3. Step 3: Cross multiply
   22,072.47x = 30,459.98 × 12,000.89
4. Step 4: Simplify right side
   22,072.47x = 365,546,747.08
5. Step 5: Solve for x
   x = 365,546,747.08/22,072.47
6. Step 6: Final answer
   x = 16,561.21