Finding the Fourth Proportional to 10,520.69, 15,776.28 and 3,022.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,520.69 : 15,776.28 = 3,022.56 : x
2. Step 2: Convert to fraction form
   10,520.69/15,776.28 = 3,022.56/x
3. Step 3: Cross multiply
   10,520.69x = 15,776.28 × 3,022.56
4. Step 4: Simplify right side
   10,520.69x = 47,684,752.88
5. Step 5: Solve for x
   x = 47,684,752.88/10,520.69
6. Step 6: Final answer
   x = 4,532.48