Finding the Fourth Proportional to 2,406.12, 3,610.44 and 945.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.12 : 3,610.44 = 945.72 : x
2. Step 2: Convert to fraction form
   2,406.12/3,610.44 = 945.72/x
3. Step 3: Cross multiply
   2,406.12x = 3,610.44 × 945.72
4. Step 4: Simplify right side
   2,406.12x = 3,414,465.32
5. Step 5: Solve for x
   x = 3,414,465.32/2,406.12
6. Step 6: Final answer
   x = 1,419.08