Finding the Fourth Proportional to 15,059.72, 22,561.42 and 13,432.84

Step by Step Solution

1. Step 1: Write the proportion equation
   15,059.72 : 22,561.42 = 13,432.84 : x
2. Step 2: Convert to fraction form
   15,059.72/22,561.42 = 13,432.84/x
3. Step 3: Cross multiply
   15,059.72x = 22,561.42 × 13,432.84
4. Step 4: Simplify right side
   15,059.72x = 303,063,945.03
5. Step 5: Solve for x
   x = 303,063,945.03/15,059.72
6. Step 6: Final answer
   x = 20,124.14