Finding the Fourth Proportional to 1,796.40, 2,479.10 and 1,010.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,796.40 : 2,479.10 = 1,010.43 : x
2. Step 2: Convert to fraction form
   1,796.40/2,479.10 = 1,010.43/x
3. Step 3: Cross multiply
   1,796.40x = 2,479.10 × 1,010.43
4. Step 4: Simplify right side
   1,796.40x = 2,504,951.96
5. Step 5: Solve for x
   x = 2,504,951.96/1,796.40
6. Step 6: Final answer
   x = 1,394.43