Finding the Fourth Proportional to 2,146.62, 2,940.13 and 2,020.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.62 : 2,940.13 = 2,020.53 : x
2. Step 2: Convert to fraction form
   2,146.62/2,940.13 = 2,020.53/x
3. Step 3: Cross multiply
   2,146.62x = 2,940.13 × 2,020.53
4. Step 4: Simplify right side
   2,146.62x = 5,940,617.88
5. Step 5: Solve for x
   x = 5,940,617.88/2,146.62
6. Step 6: Final answer
   x = 2,767.43