Finding the Fourth Proportional to 5,858.07, 8,087.48 and 3,874.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,858.07 : 8,087.48 = 3,874.38 : x
2. Step 2: Convert to fraction form
   5,858.07/8,087.48 = 3,874.38/x
3. Step 3: Cross multiply
   5,858.07x = 8,087.48 × 3,874.38
4. Step 4: Simplify right side
   5,858.07x = 31,333,951.39
5. Step 5: Solve for x
   x = 31,333,951.39/5,858.07
6. Step 6: Final answer
   x = 5,348.85