Finding the Fourth Proportional to 2,354.55, 3,249.25 and 1,306.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,354.55 : 3,249.25 = 1,306.61 : x
2. Step 2: Convert to fraction form
   2,354.55/3,249.25 = 1,306.61/x
3. Step 3: Cross multiply
   2,354.55x = 3,249.25 × 1,306.61
4. Step 4: Simplify right side
   2,354.55x = 4,245,500.11
5. Step 5: Solve for x
   x = 4,245,500.11/2,354.55
6. Step 6: Final answer
   x = 1,803.11