Finding the Fourth Proportional to 2,520.26, 3,477.89 and 1,401.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.26 : 3,477.89 = 1,401.20 : x
2. Step 2: Convert to fraction form
   2,520.26/3,477.89 = 1,401.20/x
3. Step 3: Cross multiply
   2,520.26x = 3,477.89 × 1,401.20
4. Step 4: Simplify right side
   2,520.26x = 4,873,210.74
5. Step 5: Solve for x
   x = 4,873,210.74/2,520.26
6. Step 6: Final answer
   x = 1,933.61