Finding the Fourth Proportional to 10,945.68, 16,417.17 and 3,048.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,945.68 : 16,417.17 = 3,048.78 : x
2. Step 2: Convert to fraction form
   10,945.68/16,417.17 = 3,048.78/x
3. Step 3: Cross multiply
   10,945.68x = 16,417.17 × 3,048.78
4. Step 4: Simplify right side
   10,945.68x = 50,052,339.55
5. Step 5: Solve for x
   x = 50,052,339.55/10,945.68
6. Step 6: Final answer
   x = 4,572.79