Finding the Fourth Proportional to 2,520.18, 3,478.01 and 1,401.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.18 : 3,478.01 = 1,401.37 : x
2. Step 2: Convert to fraction form
   2,520.18/3,478.01 = 1,401.37/x
3. Step 3: Cross multiply
   2,520.18x = 3,478.01 × 1,401.37
4. Step 4: Simplify right side
   2,520.18x = 4,873,963.17
5. Step 5: Solve for x
   x = 4,873,963.17/2,520.18
6. Step 6: Final answer
   x = 1,933.97