Finding the Fourth Proportional to 2,010.96, 3,016.31 and 1,392.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010.96 : 3,016.31 = 1,392.75 : x
2. Step 2: Convert to fraction form
   2,010.96/3,016.31 = 1,392.75/x
3. Step 3: Cross multiply
   2,010.96x = 3,016.31 × 1,392.75
4. Step 4: Simplify right side
   2,010.96x = 4,200,958.79
5. Step 5: Solve for x
   x = 4,200,958.79/2,010.96
6. Step 6: Final answer
   x = 2,089.03