Finding the Fourth Proportional to 9,300.48, 13,950.72 and 3,144

Step by Step Solution

1. Step 1: Write the proportion equation
   9,300.48 : 13,950.72 = 3,144 : x
2. Step 2: Convert to fraction form
   9,300.48/13,950.72 = 3,144/x
3. Step 3: Cross multiply
   9,300.48x = 13,950.72 × 3,144
4. Step 4: Simplify right side
   9,300.48x = 43,861,063.68
5. Step 5: Solve for x
   x = 43,861,063.68/9,300.48
6. Step 6: Final answer
   x = 4,716