Finding the Fourth Proportional to 10,046.52, 15,072.66 and 3,891

Step by Step Solution

1. Step 1: Write the proportion equation
   10,046.52 : 15,072.66 = 3,891 : x
2. Step 2: Convert to fraction form
   10,046.52/15,072.66 = 3,891/x
3. Step 3: Cross multiply
   10,046.52x = 15,072.66 × 3,891
4. Step 4: Simplify right side
   10,046.52x = 58,647,720.06
5. Step 5: Solve for x
   x = 58,647,720.06/10,046.52
6. Step 6: Final answer
   x = 5,837.62