Finding the Fourth Proportional to 22,063.23, 30,447.55 and 11,991.87

Step by Step Solution

1. Step 1: Write the proportion equation
   22,063.23 : 30,447.55 = 11,991.87 : x
2. Step 2: Convert to fraction form
   22,063.23/30,447.55 = 11,991.87/x
3. Step 3: Cross multiply
   22,063.23x = 30,447.55 × 11,991.87
4. Step 4: Simplify right side
   22,063.23x = 365,123,061.42
5. Step 5: Solve for x
   x = 365,123,061.42/22,063.23
6. Step 6: Final answer
   x = 16,548.94