Finding the Fourth Proportional to 2,519.69, 3,477.46 and 1,400.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,519.69 : 3,477.46 = 1,400.74 : x
2. Step 2: Convert to fraction form
   2,519.69/3,477.46 = 1,400.74/x
3. Step 3: Cross multiply
   2,519.69x = 3,477.46 × 1,400.74
4. Step 4: Simplify right side
   2,519.69x = 4,871,026.04
5. Step 5: Solve for x
   x = 4,871,026.04/2,519.69
6. Step 6: Final answer
   x = 1,933.18