Finding the Fourth Proportional to 7,961.83, 10,990.38 and 5,308.27

Step by Step Solution

1. Step 1: Write the proportion equation
   7,961.83 : 10,990.38 = 5,308.27 : x
2. Step 2: Convert to fraction form
   7,961.83/10,990.38 = 5,308.27/x
3. Step 3: Cross multiply
   7,961.83x = 10,990.38 × 5,308.27
4. Step 4: Simplify right side
   7,961.83x = 58,339,896.87
5. Step 5: Solve for x
   x = 58,339,896.87/7,961.83
6. Step 6: Final answer
   x = 7,327.45