Finding the Fourth Proportional to 22,419.58, 30,911.61 and 14,021.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,419.58 : 30,911.61 = 14,021.50 : x
2. Step 2: Convert to fraction form
   22,419.58/30,911.61 = 14,021.50/x
3. Step 3: Cross multiply
   22,419.58x = 30,911.61 × 14,021.50
4. Step 4: Simplify right side
   22,419.58x = 433,427,139.62
5. Step 5: Solve for x
   x = 433,427,139.62/22,419.58
6. Step 6: Final answer
   x = 19,332.53