Finding the Fourth Proportional to 1,900.24, 2,622.30 and 1,340.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900.24 : 2,622.30 = 1,340.12 : x
2. Step 2: Convert to fraction form
   1,900.24/2,622.30 = 1,340.12/x
3. Step 3: Cross multiply
   1,900.24x = 2,622.30 × 1,340.12
4. Step 4: Simplify right side
   1,900.24x = 3,514,196.68
5. Step 5: Solve for x
   x = 3,514,196.68/1,900.24
6. Step 6: Final answer
   x = 1,849.34