Finding the Fourth Proportional to 10,815.57, 16,221.18 and 3,024.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,815.57 : 16,221.18 = 3,024.45 : x
2. Step 2: Convert to fraction form
   10,815.57/16,221.18 = 3,024.45/x
3. Step 3: Cross multiply
   10,815.57x = 16,221.18 × 3,024.45
4. Step 4: Simplify right side
   10,815.57x = 49,060,147.85
5. Step 5: Solve for x
   x = 49,060,147.85/10,815.57
6. Step 6: Final answer
   x = 4,536.07