Finding the Fourth Proportional to 7,147.47, 9,863.81 and 4,162.83

Step by Step Solution

1. Step 1: Write the proportion equation
   7,147.47 : 9,863.81 = 4,162.83 : x
2. Step 2: Convert to fraction form
   7,147.47/9,863.81 = 4,162.83/x
3. Step 3: Cross multiply
   7,147.47x = 9,863.81 × 4,162.83
4. Step 4: Simplify right side
   7,147.47x = 41,061,364.18
5. Step 5: Solve for x
   x = 41,061,364.18/7,147.47
6. Step 6: Final answer
   x = 5,744.88