Finding the Fourth Proportional to 2,401.27, 3,313.05 and 1,563.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.27 : 3,313.05 = 1,563.20 : x
2. Step 2: Convert to fraction form
   2,401.27/3,313.05 = 1,563.20/x
3. Step 3: Cross multiply
   2,401.27x = 3,313.05 × 1,563.20
4. Step 4: Simplify right side
   2,401.27x = 5,178,943.19
5. Step 5: Solve for x
   x = 5,178,943.19/2,401.27
6. Step 6: Final answer
   x = 2,156.76