Finding the Fourth Proportional to 21,724.50, 32,514.42 and 16,430.34

Step by Step Solution

1. Step 1: Write the proportion equation
   21,724.50 : 32,514.42 = 16,430.34 : x
2. Step 2: Convert to fraction form
   21,724.50/32,514.42 = 16,430.34/x
3. Step 3: Cross multiply
   21,724.50x = 32,514.42 × 16,430.34
4. Step 4: Simplify right side
   21,724.50x = 534,222,975.50
5. Step 5: Solve for x
   x = 534,222,975.50/21,724.50
6. Step 6: Final answer
   x = 24,590.81