Finding the Fourth Proportional to 5,855.82, 8,084.37 and 3,872.13

Step by Step Solution

1. Step 1: Write the proportion equation
   5,855.82 : 8,084.37 = 3,872.13 : x
2. Step 2: Convert to fraction form
   5,855.82/8,084.37 = 3,872.13/x
3. Step 3: Cross multiply
   5,855.82x = 8,084.37 × 3,872.13
4. Step 4: Simplify right side
   5,855.82x = 31,303,671.83
5. Step 5: Solve for x
   x = 31,303,671.83/5,855.82
6. Step 6: Final answer
   x = 5,345.74