Finding the Fourth Proportional to 3,658.69, 5,047.34 and 2,542.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,658.69 : 5,047.34 = 2,542.31 : x
2. Step 2: Convert to fraction form
   3,658.69/5,047.34 = 2,542.31/x
3. Step 3: Cross multiply
   3,658.69x = 5,047.34 × 2,542.31
4. Step 4: Simplify right side
   3,658.69x = 12,831,902.96
5. Step 5: Solve for x
   x = 12,831,902.96/3,658.69
6. Step 6: Final answer
   x = 3,507.24