Finding the Fourth Proportional to 22,423.48, 30,911.18 and 14,355.98

Step by Step Solution

1. Step 1: Write the proportion equation
   22,423.48 : 30,911.18 = 14,355.98 : x
2. Step 2: Convert to fraction form
   22,423.48/30,911.18 = 14,355.98/x
3. Step 3: Cross multiply
   22,423.48x = 30,911.18 × 14,355.98
4. Step 4: Simplify right side
   22,423.48x = 443,760,055.52
5. Step 5: Solve for x
   x = 443,760,055.52/22,423.48
6. Step 6: Final answer
   x = 19,789.97