Finding the Fourth Proportional to 13,401.18, 18,493.74 and 7,433.24

Step by Step Solution

1. Step 1: Write the proportion equation
   13,401.18 : 18,493.74 = 7,433.24 : x
2. Step 2: Convert to fraction form
   13,401.18/18,493.74 = 7,433.24/x
3. Step 3: Cross multiply
   13,401.18x = 18,493.74 × 7,433.24
4. Step 4: Simplify right side
   13,401.18x = 137,468,315.45
5. Step 5: Solve for x
   x = 137,468,315.45/13,401.18
6. Step 6: Final answer
   x = 10,257.93