Finding the Fourth Proportional to 2,520.37, 3,478.09 and 1,401.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.37 : 3,478.09 = 1,401.29 : x
2. Step 2: Convert to fraction form
   2,520.37/3,478.09 = 1,401.29/x
3. Step 3: Cross multiply
   2,520.37x = 3,478.09 × 1,401.29
4. Step 4: Simplify right side
   2,520.37x = 4,873,824.63
5. Step 5: Solve for x
   x = 4,873,824.63/2,520.37
6. Step 6: Final answer
   x = 1,933.78