Finding the Fourth Proportional to 22,061.73, 30,445.48 and 11,990.37

Step by Step Solution

1. Step 1: Write the proportion equation
   22,061.73 : 30,445.48 = 11,990.37 : x
2. Step 2: Convert to fraction form
   22,061.73/30,445.48 = 11,990.37/x
3. Step 3: Cross multiply
   22,061.73x = 30,445.48 × 11,990.37
4. Step 4: Simplify right side
   22,061.73x = 365,052,570.03
5. Step 5: Solve for x
   x = 365,052,570.03/22,061.73
6. Step 6: Final answer
   x = 16,546.87