Finding the Fourth Proportional to 2,520.53, 3,478.41 and 1,401.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.53 : 3,478.41 = 1,401.51 : x
2. Step 2: Convert to fraction form
   2,520.53/3,478.41 = 1,401.51/x
3. Step 3: Cross multiply
   2,520.53x = 3,478.41 × 1,401.51
4. Step 4: Simplify right side
   2,520.53x = 4,875,039.44
5. Step 5: Solve for x
   x = 4,875,039.44/2,520.53
6. Step 6: Final answer
   x = 1,934.13