Finding the Fourth Proportional to 2,590.29, 3,884.88 and 835.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590.29 : 3,884.88 = 835.45 : x
2. Step 2: Convert to fraction form
   2,590.29/3,884.88 = 835.45/x
3. Step 3: Cross multiply
   2,590.29x = 3,884.88 × 835.45
4. Step 4: Simplify right side
   2,590.29x = 3,245,611.72
5. Step 5: Solve for x
   x = 3,245,611.72/2,590.29
6. Step 6: Final answer
   x = 1,252.99