Finding the Fourth Proportional to 3,915.24, 5,876.72 and 2,662

Step by Step Solution

1. Step 1: Write the proportion equation
   3,915.24 : 5,876.72 = 2,662 : x
2. Step 2: Convert to fraction form
   3,915.24/5,876.72 = 2,662/x
3. Step 3: Cross multiply
   3,915.24x = 5,876.72 × 2,662
4. Step 4: Simplify right side
   3,915.24x = 15,643,828.64
5. Step 5: Solve for x
   x = 15,643,828.64/3,915.24
6. Step 6: Final answer
   x = 3,995.62