Finding the Fourth Proportional to 2,520.27, 3,478.10 and 1,401.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.27 : 3,478.10 = 1,401.17 : x
2. Step 2: Convert to fraction form
   2,520.27/3,478.10 = 1,401.17/x
3. Step 3: Cross multiply
   2,520.27x = 3,478.10 × 1,401.17
4. Step 4: Simplify right side
   2,520.27x = 4,873,384.98
5. Step 5: Solve for x
   x = 4,873,384.98/2,520.27
6. Step 6: Final answer
   x = 1,933.68