Finding the Fourth Proportional to 13,401.89, 18,493.70 and 7,433.33

Step by Step Solution

1. Step 1: Write the proportion equation
   13,401.89 : 18,493.70 = 7,433.33 : x
2. Step 2: Convert to fraction form
   13,401.89/18,493.70 = 7,433.33/x
3. Step 3: Cross multiply
   13,401.89x = 18,493.70 × 7,433.33
4. Step 4: Simplify right side
   13,401.89x = 137,469,645.39
5. Step 5: Solve for x
   x = 137,469,645.39/13,401.89
6. Step 6: Final answer
   x = 10,257.49