Finding the Fourth Proportional to 12,372, 17,073.60 and 7,404

Step by Step Solution

1. Step 1: Write the proportion equation
   12,372 : 17,073.60 = 7,404 : x
2. Step 2: Convert to fraction form
   12,372/17,073.60 = 7,404/x
3. Step 3: Cross multiply
   12,372x = 17,073.60 × 7,404
4. Step 4: Simplify right side
   12,372x = 126,412,934.40
5. Step 5: Solve for x
   x = 126,412,934.40/12,372
6. Step 6: Final answer
   x = 10,217.66