Finding the Fourth Proportional to 3,642.24, 5,025.60 and 2,069.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,642.24 : 5,025.60 = 2,069.76 : x
2. Step 2: Convert to fraction form
   3,642.24/5,025.60 = 2,069.76/x
3. Step 3: Cross multiply
   3,642.24x = 5,025.60 × 2,069.76
4. Step 4: Simplify right side
   3,642.24x = 10,401,785.86
5. Step 5: Solve for x
   x = 10,401,785.86/3,642.24
6. Step 6: Final answer
   x = 2,855.88