Finding the Fourth Proportional to 5,813.16, 8,019.40 and 3,574.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,813.16 : 8,019.40 = 3,574.12 : x
2. Step 2: Convert to fraction form
   5,813.16/8,019.40 = 3,574.12/x
3. Step 3: Cross multiply
   5,813.16x = 8,019.40 × 3,574.12
4. Step 4: Simplify right side
   5,813.16x = 28,662,297.93
5. Step 5: Solve for x
   x = 28,662,297.93/5,813.16
6. Step 6: Final answer
   x = 4,930.59