Finding the Fourth Proportional to 3,498.26, 5,243.72 and 1,306.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,498.26 : 5,243.72 = 1,306.10 : x
2. Step 2: Convert to fraction form
   3,498.26/5,243.72 = 1,306.10/x
3. Step 3: Cross multiply
   3,498.26x = 5,243.72 × 1,306.10
4. Step 4: Simplify right side
   3,498.26x = 6,848,789.94
5. Step 5: Solve for x
   x = 6,848,789.94/3,498.26
6. Step 6: Final answer
   x = 1,957.77