Finding the Fourth Proportional to 10,560.72, 15,843.60 and 3,635.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,560.72 : 15,843.60 = 3,635.28 : x
2. Step 2: Convert to fraction form
   10,560.72/15,843.60 = 3,635.28/x
3. Step 3: Cross multiply
   10,560.72x = 15,843.60 × 3,635.28
4. Step 4: Simplify right side
   10,560.72x = 57,595,922.21
5. Step 5: Solve for x
   x = 57,595,922.21/10,560.72
6. Step 6: Final answer
   x = 5,453.79