Finding the Fourth Proportional to 22,212.54, 30,654.01 and 12,140.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,212.54 : 30,654.01 = 12,140.76 : x
2. Step 2: Convert to fraction form
   22,212.54/30,654.01 = 12,140.76/x
3. Step 3: Cross multiply
   22,212.54x = 30,654.01 × 12,140.76
4. Step 4: Simplify right side
   22,212.54x = 372,162,978.45
5. Step 5: Solve for x
   x = 372,162,978.45/22,212.54
6. Step 6: Final answer
   x = 16,754.63