Finding the Fourth Proportional to 5,870.20, 8,099.46 and 3,513.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,870.20 : 8,099.46 = 3,513.16 : x
2. Step 2: Convert to fraction form
   5,870.20/8,099.46 = 3,513.16/x
3. Step 3: Cross multiply
   5,870.20x = 8,099.46 × 3,513.16
4. Step 4: Simplify right side
   5,870.20x = 28,454,698.89
5. Step 5: Solve for x
   x = 28,454,698.89/5,870.20
6. Step 6: Final answer
   x = 4,847.31