Finding the Fourth Proportional to 2,520.27, 3,478.22 and 1,401.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.27 : 3,478.22 = 1,401.56 : x
2. Step 2: Convert to fraction form
   2,520.27/3,478.22 = 1,401.56/x
3. Step 3: Cross multiply
   2,520.27x = 3,478.22 × 1,401.56
4. Step 4: Simplify right side
   2,520.27x = 4,874,935.71
5. Step 5: Solve for x
   x = 4,874,935.71/2,520.27
6. Step 6: Final answer
   x = 1,934.29