Finding the Fourth Proportional to 13,401.86, 18,494.43 and 7,433.37

Step by Step Solution

1. Step 1: Write the proportion equation
   13,401.86 : 18,494.43 = 7,433.37 : x
2. Step 2: Convert to fraction form
   13,401.86/18,494.43 = 7,433.37/x
3. Step 3: Cross multiply
   13,401.86x = 18,494.43 × 7,433.37
4. Step 4: Simplify right side
   13,401.86x = 137,475,913.25
5. Step 5: Solve for x
   x = 137,475,913.25/13,401.86
6. Step 6: Final answer
   x = 10,257.98