Finding the Fourth Proportional to 9,900.80, 14,849.92 and 3,744

Step by Step Solution

1. Step 1: Write the proportion equation
   9,900.80 : 14,849.92 = 3,744 : x
2. Step 2: Convert to fraction form
   9,900.80/14,849.92 = 3,744/x
3. Step 3: Cross multiply
   9,900.80x = 14,849.92 × 3,744
4. Step 4: Simplify right side
   9,900.80x = 55,598,100.48
5. Step 5: Solve for x
   x = 55,598,100.48/9,900.80
6. Step 6: Final answer
   x = 5,615.52