Finding the Fourth Proportional to 2,010.81, 3,016.67 and 914.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010.81 : 3,016.67 = 914.88 : x
2. Step 2: Convert to fraction form
   2,010.81/3,016.67 = 914.88/x
3. Step 3: Cross multiply
   2,010.81x = 3,016.67 × 914.88
4. Step 4: Simplify right side
   2,010.81x = 2,759,886.48
5. Step 5: Solve for x
   x = 2,759,886.48/2,010.81
6. Step 6: Final answer
   x = 1,372.52