Finding the Fourth Proportional to 10,468.48, 15,704.24 and 3,540.64

Step by Step Solution

1. Step 1: Write the proportion equation
   10,468.48 : 15,704.24 = 3,540.64 : x
2. Step 2: Convert to fraction form
   10,468.48/15,704.24 = 3,540.64/x
3. Step 3: Cross multiply
   10,468.48x = 15,704.24 × 3,540.64
4. Step 4: Simplify right side
   10,468.48x = 55,603,060.31
5. Step 5: Solve for x
   x = 55,603,060.31/10,468.48
6. Step 6: Final answer
   x = 5,311.47