Finding the Fourth Proportional to 9,495.87, 13,105.52 and 5,721

Step by Step Solution

1. Step 1: Write the proportion equation
   9,495.87 : 13,105.52 = 5,721 : x
2. Step 2: Convert to fraction form
   9,495.87/13,105.52 = 5,721/x
3. Step 3: Cross multiply
   9,495.87x = 13,105.52 × 5,721
4. Step 4: Simplify right side
   9,495.87x = 74,976,679.92
5. Step 5: Solve for x
   x = 74,976,679.92/9,495.87
6. Step 6: Final answer
   x = 7,895.71