Finding the Fourth Proportional to 5,456.82, 7,530.51 and 3,099.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,456.82 : 7,530.51 = 3,099.12 : x
2. Step 2: Convert to fraction form
   5,456.82/7,530.51 = 3,099.12/x
3. Step 3: Cross multiply
   5,456.82x = 7,530.51 × 3,099.12
4. Step 4: Simplify right side
   5,456.82x = 23,337,954.15
5. Step 5: Solve for x
   x = 23,337,954.15/5,456.82
6. Step 6: Final answer
   x = 4,276.84