Finding the Fourth Proportional to 13,371.67, 18,453.59 and 7,404

Step by Step Solution

1. Step 1: Write the proportion equation
   13,371.67 : 18,453.59 = 7,404 : x
2. Step 2: Convert to fraction form
   13,371.67/18,453.59 = 7,404/x
3. Step 3: Cross multiply
   13,371.67x = 18,453.59 × 7,404
4. Step 4: Simplify right side
   13,371.67x = 136,630,380.36
5. Step 5: Solve for x
   x = 136,630,380.36/13,371.67
6. Step 6: Final answer
   x = 10,217.90