Finding the Fourth Proportional to 1,900, 2,622.04 and 1,072

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900 : 2,622.04 = 1,072 : x
2. Step 2: Convert to fraction form
   1,900/2,622.04 = 1,072/x
3. Step 3: Cross multiply
   1,900x = 2,622.04 × 1,072
4. Step 4: Simplify right side
   1,900x = 2,810,826.88
5. Step 5: Solve for x
   x = 2,810,826.88/1,900
6. Step 6: Final answer
   x = 1,479.38