Finding the Fourth Proportional to 5,456.72, 7,530.33 and 3,098.91

Step by Step Solution

1. Step 1: Write the proportion equation
   5,456.72 : 7,530.33 = 3,098.91 : x
2. Step 2: Convert to fraction form
   5,456.72/7,530.33 = 3,098.91/x
3. Step 3: Cross multiply
   5,456.72x = 7,530.33 × 3,098.91
4. Step 4: Simplify right side
   5,456.72x = 23,335,814.94
5. Step 5: Solve for x
   x = 23,335,814.94/5,456.72
6. Step 6: Final answer
   x = 4,276.53