Finding the Fourth Proportional to 2,520.28, 3,763.93 and 2,146.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.28 : 3,763.93 = 2,146.09 : x
2. Step 2: Convert to fraction form
   2,520.28/3,763.93 = 2,146.09/x
3. Step 3: Cross multiply
   2,520.28x = 3,763.93 × 2,146.09
4. Step 4: Simplify right side
   2,520.28x = 8,077,732.53
5. Step 5: Solve for x
   x = 8,077,732.53/2,520.28
6. Step 6: Final answer
   x = 3,205.09