Finding the Fourth Proportional to 2,346.54, 3,234.47 and 1,590.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,346.54 : 3,234.47 = 1,590.09 : x
2. Step 2: Convert to fraction form
   2,346.54/3,234.47 = 1,590.09/x
3. Step 3: Cross multiply
   2,346.54x = 3,234.47 × 1,590.09
4. Step 4: Simplify right side
   2,346.54x = 5,143,098.40
5. Step 5: Solve for x
   x = 5,143,098.40/2,346.54
6. Step 6: Final answer
   x = 2,191.78