Finding the Fourth Proportional to 1,796.72, 2,479.38 and 1,010.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,796.72 : 2,479.38 = 1,010.78 : x
2. Step 2: Convert to fraction form
   1,796.72/2,479.38 = 1,010.78/x
3. Step 3: Cross multiply
   1,796.72x = 2,479.38 × 1,010.78
4. Step 4: Simplify right side
   1,796.72x = 2,506,107.72
5. Step 5: Solve for x
   x = 2,506,107.72/1,796.72
6. Step 6: Final answer
   x = 1,394.82