Finding the Fourth Proportional to 2,519.91, 3,477.42 and 1,400.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,519.91 : 3,477.42 = 1,400.81 : x
2. Step 2: Convert to fraction form
   2,519.91/3,477.42 = 1,400.81/x
3. Step 3: Cross multiply
   2,519.91x = 3,477.42 × 1,400.81
4. Step 4: Simplify right side
   2,519.91x = 4,871,187.32
5. Step 5: Solve for x
   x = 4,871,187.32/2,519.91
6. Step 6: Final answer
   x = 1,933.08