Finding the Fourth Proportional to 22,018.50, 30,385.53 and 12,082.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,018.50 : 30,385.53 = 12,082.50 : x
2. Step 2: Convert to fraction form
   22,018.50/30,385.53 = 12,082.50/x
3. Step 3: Cross multiply
   22,018.50x = 30,385.53 × 12,082.50
4. Step 4: Simplify right side
   22,018.50x = 367,133,166.23
5. Step 5: Solve for x
   x = 367,133,166.23/22,018.50
6. Step 6: Final answer
   x = 16,673.85