Finding the Fourth Proportional to 13,401.48, 18,493.88 and 7,433.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,401.48 : 18,493.88 = 7,433.10 : x
2. Step 2: Convert to fraction form
   13,401.48/18,493.88 = 7,433.10/x
3. Step 3: Cross multiply
   13,401.48x = 18,493.88 × 7,433.10
4. Step 4: Simplify right side
   13,401.48x = 137,466,859.43
5. Step 5: Solve for x
   x = 137,466,859.43/13,401.48
6. Step 6: Final answer
   x = 10,257.59