Finding the Fourth Proportional to 2,401.47, 3,313.77 and 1,406.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.47 : 3,313.77 = 1,406.55 : x
2. Step 2: Convert to fraction form
   2,401.47/3,313.77 = 1,406.55/x
3. Step 3: Cross multiply
   2,401.47x = 3,313.77 × 1,406.55
4. Step 4: Simplify right side
   2,401.47x = 4,660,983.19
5. Step 5: Solve for x
   x = 4,660,983.19/2,401.47
6. Step 6: Final answer
   x = 1,940.89