Finding the Fourth Proportional to 5,456.48, 7,530.96 and 3,098.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,456.48 : 7,530.96 = 3,098.72 : x
2. Step 2: Convert to fraction form
   5,456.48/7,530.96 = 3,098.72/x
3. Step 3: Cross multiply
   5,456.48x = 7,530.96 × 3,098.72
4. Step 4: Simplify right side
   5,456.48x = 23,336,336.37
5. Step 5: Solve for x
   x = 23,336,336.37/5,456.48
6. Step 6: Final answer
   x = 4,276.81