Finding the Fourth Proportional to 2,520.59, 3,478.33 and 1,401.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.59 : 3,478.33 = 1,401.49 : x
2. Step 2: Convert to fraction form
   2,520.59/3,478.33 = 1,401.49/x
3. Step 3: Cross multiply
   2,520.59x = 3,478.33 × 1,401.49
4. Step 4: Simplify right side
   2,520.59x = 4,874,823.36
5. Step 5: Solve for x
   x = 4,874,823.36/2,520.59
6. Step 6: Final answer
   x = 1,934.00