Finding the Fourth Proportional to 2,406.57, 3,319.75 and 1,742.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.57 : 3,319.75 = 1,742.27 : x
2. Step 2: Convert to fraction form
   2,406.57/3,319.75 = 1,742.27/x
3. Step 3: Cross multiply
   2,406.57x = 3,319.75 × 1,742.27
4. Step 4: Simplify right side
   2,406.57x = 5,783,875.52
5. Step 5: Solve for x
   x = 5,783,875.52/2,406.57
6. Step 6: Final answer
   x = 2,403.37