Finding the Fourth Proportional to 3,704.25, 5,561.25 and 3,398.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,704.25 : 5,561.25 = 3,398.61 : x
2. Step 2: Convert to fraction form
   3,704.25/5,561.25 = 3,398.61/x
3. Step 3: Cross multiply
   3,704.25x = 5,561.25 × 3,398.61
4. Step 4: Simplify right side
   3,704.25x = 18,900,519.86
5. Step 5: Solve for x
   x = 18,900,519.86/3,704.25
6. Step 6: Final answer
   x = 5,102.39