Finding the Fourth Proportional to 17,901.89, 24,722.94 and 13,418.54

Step by Step Solution

1. Step 1: Write the proportion equation
   17,901.89 : 24,722.94 = 13,418.54 : x
2. Step 2: Convert to fraction form
   17,901.89/24,722.94 = 13,418.54/x
3. Step 3: Cross multiply
   17,901.89x = 24,722.94 × 13,418.54
4. Step 4: Simplify right side
   17,901.89x = 331,745,759.31
5. Step 5: Solve for x
   x = 331,745,759.31/17,901.89
6. Step 6: Final answer
   x = 18,531.33