Finding the Fourth Proportional to 2,520.16, 3,477.84 and 1,401.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.16 : 3,477.84 = 1,401.12 : x
2. Step 2: Convert to fraction form
   2,520.16/3,477.84 = 1,401.12/x
3. Step 3: Cross multiply
   2,520.16x = 3,477.84 × 1,401.12
4. Step 4: Simplify right side
   2,520.16x = 4,872,871.18
5. Step 5: Solve for x
   x = 4,872,871.18/2,520.16
6. Step 6: Final answer
   x = 1,933.56