Finding the Fourth Proportional to 2,520.09, 3,477.46 and 1,400.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.09 : 3,477.46 = 1,400.84 : x
2. Step 2: Convert to fraction form
   2,520.09/3,477.46 = 1,400.84/x
3. Step 3: Cross multiply
   2,520.09x = 3,477.46 × 1,400.84
4. Step 4: Simplify right side
   2,520.09x = 4,871,371.10
5. Step 5: Solve for x
   x = 4,871,371.10/2,520.09
6. Step 6: Final answer
   x = 1,933.02