Finding the Fourth Proportional to 10,303.49, 15,456.37 and 3,281.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,303.49 : 15,456.37 = 3,281.86 : x
2. Step 2: Convert to fraction form
   10,303.49/15,456.37 = 3,281.86/x
3. Step 3: Cross multiply
   10,303.49x = 15,456.37 × 3,281.86
4. Step 4: Simplify right side
   10,303.49x = 50,725,595.60
5. Step 5: Solve for x
   x = 50,725,595.60/10,303.49
6. Step 6: Final answer
   x = 4,923.15