Finding the Fourth Proportional to 22,101.72, 30,501.02 and 12,030.81

Step by Step Solution

1. Step 1: Write the proportion equation
   22,101.72 : 30,501.02 = 12,030.81 : x
2. Step 2: Convert to fraction form
   22,101.72/30,501.02 = 12,030.81/x
3. Step 3: Cross multiply
   22,101.72x = 30,501.02 × 12,030.81
4. Step 4: Simplify right side
   22,101.72x = 366,951,976.43
5. Step 5: Solve for x
   x = 366,951,976.43/22,101.72
6. Step 6: Final answer
   x = 16,602.87