Finding the Fourth Proportional to 5,870.16, 8,100.56 and 3,217.68

Step by Step Solution

1. Step 1: Write the proportion equation
   5,870.16 : 8,100.56 = 3,217.68 : x
2. Step 2: Convert to fraction form
   5,870.16/8,100.56 = 3,217.68/x
3. Step 3: Cross multiply
   5,870.16x = 8,100.56 × 3,217.68
4. Step 4: Simplify right side
   5,870.16x = 26,064,993.81
5. Step 5: Solve for x
   x = 26,064,993.81/5,870.16
6. Step 6: Final answer
   x = 4,440.25