Finding the Fourth Proportional to 7,963.86, 10,991.32 and 5,733.12

Step by Step Solution

1. Step 1: Write the proportion equation
   7,963.86 : 10,991.32 = 5,733.12 : x
2. Step 2: Convert to fraction form
   7,963.86/10,991.32 = 5,733.12/x
3. Step 3: Cross multiply
   7,963.86x = 10,991.32 × 5,733.12
4. Step 4: Simplify right side
   7,963.86x = 63,014,556.52
5. Step 5: Solve for x
   x = 63,014,556.52/7,963.86
6. Step 6: Final answer
   x = 7,912.56