Finding the Fourth Proportional to 22,059.72, 30,442.23 and 13,443.41

Step by Step Solution

1. Step 1: Write the proportion equation
   22,059.72 : 30,442.23 = 13,443.41 : x
2. Step 2: Convert to fraction form
   22,059.72/30,442.23 = 13,443.41/x
3. Step 3: Cross multiply
   22,059.72x = 30,442.23 × 13,443.41
4. Step 4: Simplify right side
   22,059.72x = 409,247,455.31
5. Step 5: Solve for x
   x = 409,247,455.31/22,059.72
6. Step 6: Final answer
   x = 18,551.80