Finding the Fourth Proportional to 14,048.96, 21,073.34 and 3,660.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,048.96 : 21,073.34 = 3,660.72 : x
2. Step 2: Convert to fraction form
   14,048.96/21,073.34 = 3,660.72/x
3. Step 3: Cross multiply
   14,048.96x = 21,073.34 × 3,660.72
4. Step 4: Simplify right side
   14,048.96x = 77,143,597.20
5. Step 5: Solve for x
   x = 77,143,597.20/14,048.96
6. Step 6: Final answer
   x = 5,491.05