Finding the Fourth Proportional to 2,603.40, 3,900.23 and 2,025.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,603.40 : 3,900.23 = 2,025.06 : x
2. Step 2: Convert to fraction form
   2,603.40/3,900.23 = 2,025.06/x
3. Step 3: Cross multiply
   2,603.40x = 3,900.23 × 2,025.06
4. Step 4: Simplify right side
   2,603.40x = 7,898,199.76
5. Step 5: Solve for x
   x = 7,898,199.76/2,603.40
6. Step 6: Final answer
   x = 3,033.80