Finding the Fourth Proportional to 2,345.52, 3,241.10 and 2,231.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.52 : 3,241.10 = 2,231.65 : x
2. Step 2: Convert to fraction form
   2,345.52/3,241.10 = 2,231.65/x
3. Step 3: Cross multiply
   2,345.52x = 3,241.10 × 2,231.65
4. Step 4: Simplify right side
   2,345.52x = 7,233,000.82
5. Step 5: Solve for x
   x = 7,233,000.82/2,345.52
6. Step 6: Final answer
   x = 3,083.75