Finding the Fourth Proportional to 2,406.41, 3,609.85 and 945.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.41 : 3,609.85 = 945.23 : x
2. Step 2: Convert to fraction form
   2,406.41/3,609.85 = 945.23/x
3. Step 3: Cross multiply
   2,406.41x = 3,609.85 × 945.23
4. Step 4: Simplify right side
   2,406.41x = 3,412,118.10
5. Step 5: Solve for x
   x = 3,412,118.10/2,406.41
6. Step 6: Final answer
   x = 1,417.93