Finding the Fourth Proportional to 2,510.10, 3,767.55 and 2,145.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,510.10 : 3,767.55 = 2,145.30 : x
2. Step 2: Convert to fraction form
   2,510.10/3,767.55 = 2,145.30/x
3. Step 3: Cross multiply
   2,510.10x = 3,767.55 × 2,145.30
4. Step 4: Simplify right side
   2,510.10x = 8,082,525.02
5. Step 5: Solve for x
   x = 8,082,525.02/2,510.10
6. Step 6: Final answer
   x = 3,220.00