Finding the Fourth Proportional to 3,644.70, 5,031.98 and 2,525.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,644.70 : 5,031.98 = 2,525.23 : x
2. Step 2: Convert to fraction form
   3,644.70/5,031.98 = 2,525.23/x
3. Step 3: Cross multiply
   3,644.70x = 5,031.98 × 2,525.23
4. Step 4: Simplify right side
   3,644.70x = 12,706,906.86
5. Step 5: Solve for x
   x = 12,706,906.86/3,644.70
6. Step 6: Final answer
   x = 3,486.41