Finding the Fourth Proportional to 10,453.48, 15,679.78 and 2,662.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,453.48 : 15,679.78 = 2,662.48 : x
2. Step 2: Convert to fraction form
   10,453.48/15,679.78 = 2,662.48/x
3. Step 3: Cross multiply
   10,453.48x = 15,679.78 × 2,662.48
4. Step 4: Simplify right side
   10,453.48x = 41,747,100.65
5. Step 5: Solve for x
   x = 41,747,100.65/10,453.48
6. Step 6: Final answer
   x = 3,993.61