Finding the Fourth Proportional to 2,520.98, 3,478.92 and 1,401.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.98 : 3,478.92 = 1,401.92 : x
2. Step 2: Convert to fraction form
   2,520.98/3,478.92 = 1,401.92/x
3. Step 3: Cross multiply
   2,520.98x = 3,478.92 × 1,401.92
4. Step 4: Simplify right side
   2,520.98x = 4,877,150.13
5. Step 5: Solve for x
   x = 4,877,150.13/2,520.98
6. Step 6: Final answer
   x = 1,934.63