Finding the Fourth Proportional to 2,406.16, 3,609.60 and 945.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.16 : 3,609.60 = 945.28 : x
2. Step 2: Convert to fraction form
   2,406.16/3,609.60 = 945.28/x
3. Step 3: Cross multiply
   2,406.16x = 3,609.60 × 945.28
4. Step 4: Simplify right side
   2,406.16x = 3,412,082.69
5. Step 5: Solve for x
   x = 3,412,082.69/2,406.16
6. Step 6: Final answer
   x = 1,418.06