Finding the Fourth Proportional to 3,100.48, 4,282.37 and 2,259.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,100.48 : 4,282.37 = 2,259.83 : x
2. Step 2: Convert to fraction form
   3,100.48/4,282.37 = 2,259.83/x
3. Step 3: Cross multiply
   3,100.48x = 4,282.37 × 2,259.83
4. Step 4: Simplify right side
   3,100.48x = 9,677,436.08
5. Step 5: Solve for x
   x = 9,677,436.08/3,100.48
6. Step 6: Final answer
   x = 3,121.27