Finding the Fourth Proportional to 3,590.91, 4,955.92 and 2,019.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,590.91 : 4,955.92 = 2,019.31 : x
2. Step 2: Convert to fraction form
   3,590.91/4,955.92 = 2,019.31/x
3. Step 3: Cross multiply
   3,590.91x = 4,955.92 × 2,019.31
4. Step 4: Simplify right side
   3,590.91x = 10,007,521.38
5. Step 5: Solve for x
   x = 10,007,521.38/3,590.91
6. Step 6: Final answer
   x = 2,786.90