Finding the Fourth Proportional to 2,010.31, 3,015.92 and 914.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010.31 : 3,015.92 = 914.38 : x
2. Step 2: Convert to fraction form
   2,010.31/3,015.92 = 914.38/x
3. Step 3: Cross multiply
   2,010.31x = 3,015.92 × 914.38
4. Step 4: Simplify right side
   2,010.31x = 2,757,696.93
5. Step 5: Solve for x
   x = 2,757,696.93/2,010.31
6. Step 6: Final answer
   x = 1,371.78