Finding the Fourth Proportional to 2,519.80, 3,477.54 and 1,401.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,519.80 : 3,477.54 = 1,401.10 : x
2. Step 2: Convert to fraction form
   2,519.80/3,477.54 = 1,401.10/x
3. Step 3: Cross multiply
   2,519.80x = 3,477.54 × 1,401.10
4. Step 4: Simplify right side
   2,519.80x = 4,872,381.29
5. Step 5: Solve for x
   x = 4,872,381.29/2,519.80
6. Step 6: Final answer
   x = 1,933.64