Finding the Fourth Proportional to 2,785.48, 3,843.81 and 1,590.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,785.48 : 3,843.81 = 1,590.42 : x
2. Step 2: Convert to fraction form
   2,785.48/3,843.81 = 1,590.42/x
3. Step 3: Cross multiply
   2,785.48x = 3,843.81 × 1,590.42
4. Step 4: Simplify right side
   2,785.48x = 6,113,257.89
5. Step 5: Solve for x
   x = 6,113,257.89/2,785.48
6. Step 6: Final answer
   x = 2,194.69