Finding the Fourth Proportional to 5,868.72, 8,098.64 and 3,216.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,868.72 : 8,098.64 = 3,216.10 : x
2. Step 2: Convert to fraction form
   5,868.72/8,098.64 = 3,216.10/x
3. Step 3: Cross multiply
   5,868.72x = 8,098.64 × 3,216.10
4. Step 4: Simplify right side
   5,868.72x = 26,046,036.10
5. Step 5: Solve for x
   x = 26,046,036.10/5,868.72
6. Step 6: Final answer
   x = 4,438.11