Finding the Fourth Proportional to 5,462.78, 8,196.57 and 2,865.11

Step by Step Solution

1. Step 1: Write the proportion equation
   5,462.78 : 8,196.57 = 2,865.11 : x
2. Step 2: Convert to fraction form
   5,462.78/8,196.57 = 2,865.11/x
3. Step 3: Cross multiply
   5,462.78x = 8,196.57 × 2,865.11
4. Step 4: Simplify right side
   5,462.78x = 23,484,033.69
5. Step 5: Solve for x
   x = 23,484,033.69/5,462.78
6. Step 6: Final answer
   x = 4,298.92