Finding the Fourth Proportional to 2,519.56, 3,477.20 and 1,400.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,519.56 : 3,477.20 = 1,400.71 : x
2. Step 2: Convert to fraction form
   2,519.56/3,477.20 = 1,400.71/x
3. Step 3: Cross multiply
   2,519.56x = 3,477.20 × 1,400.71
4. Step 4: Simplify right side
   2,519.56x = 4,870,536.78
5. Step 5: Solve for x
   x = 4,870,536.78/2,519.56
6. Step 6: Final answer
   x = 1,933.09