Finding the Fourth Proportional to 2,290.29, 3,435.42 and 1,558.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,290.29 : 3,435.42 = 1,558.05 : x
2. Step 2: Convert to fraction form
   2,290.29/3,435.42 = 1,558.05/x
3. Step 3: Cross multiply
   2,290.29x = 3,435.42 × 1,558.05
4. Step 4: Simplify right side
   2,290.29x = 5,352,556.13
5. Step 5: Solve for x
   x = 5,352,556.13/2,290.29
6. Step 6: Final answer
   x = 2,337.06