Finding the Fourth Proportional to 2,520.92, 3,478.76 and 1,401.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.92 : 3,478.76 = 1,401.92 : x
2. Step 2: Convert to fraction form
   2,520.92/3,478.76 = 1,401.92/x
3. Step 3: Cross multiply
   2,520.92x = 3,478.76 × 1,401.92
4. Step 4: Simplify right side
   2,520.92x = 4,876,943.22
5. Step 5: Solve for x
   x = 4,876,943.22/2,520.92
6. Step 6: Final answer
   x = 1,934.59