Finding the Fourth Proportional to 1,340.82, 1,849.22 and 1,010.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340.82 : 1,849.22 = 1,010.28 : x
2. Step 2: Convert to fraction form
   1,340.82/1,849.22 = 1,010.28/x
3. Step 3: Cross multiply
   1,340.82x = 1,849.22 × 1,010.28
4. Step 4: Simplify right side
   1,340.82x = 1,868,229.98
5. Step 5: Solve for x
   x = 1,868,229.98/1,340.82
6. Step 6: Final answer
   x = 1,393.35