Finding the Fourth Proportional to 5,456.78, 7,530.36 and 3,098.93

Step by Step Solution

1. Step 1: Write the proportion equation
   5,456.78 : 7,530.36 = 3,098.93 : x
2. Step 2: Convert to fraction form
   5,456.78/7,530.36 = 3,098.93/x
3. Step 3: Cross multiply
   5,456.78x = 7,530.36 × 3,098.93
4. Step 4: Simplify right side
   5,456.78x = 23,336,020.86
5. Step 5: Solve for x
   x = 23,336,020.86/5,456.78
6. Step 6: Final answer
   x = 4,276.52