Finding the Fourth Proportional to 17,722.70, 24,453.72 and 13,472.62

Step by Step Solution

1. Step 1: Write the proportion equation
   17,722.70 : 24,453.72 = 13,472.62 : x
2. Step 2: Convert to fraction form
   17,722.70/24,453.72 = 13,472.62/x
3. Step 3: Cross multiply
   17,722.70x = 24,453.72 × 13,472.62
4. Step 4: Simplify right side
   17,722.70x = 329,455,677.15
5. Step 5: Solve for x
   x = 329,455,677.15/17,722.70
6. Step 6: Final answer
   x = 18,589.47