Finding the Fourth Proportional to 2,406.56, 3,609.33 and 1,405.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.56 : 3,609.33 = 1,405.24 : x
2. Step 2: Convert to fraction form
   2,406.56/3,609.33 = 1,405.24/x
3. Step 3: Cross multiply
   2,406.56x = 3,609.33 × 1,405.24
4. Step 4: Simplify right side
   2,406.56x = 5,071,967.86
5. Step 5: Solve for x
   x = 5,071,967.86/2,406.56
6. Step 6: Final answer
   x = 2,107.56