Finding the Fourth Proportional to 3,018.38, 4,165.37 and 1,900.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,018.38 : 4,165.37 = 1,900.06 : x
2. Step 2: Convert to fraction form
   3,018.38/4,165.37 = 1,900.06/x
3. Step 3: Cross multiply
   3,018.38x = 4,165.37 × 1,900.06
4. Step 4: Simplify right side
   3,018.38x = 7,914,450.82
5. Step 5: Solve for x
   x = 7,914,450.82/3,018.38
6. Step 6: Final answer
   x = 2,622.09