Finding the Fourth Proportional to 7,962.83, 10,991.76 and 5,309.27

Step by Step Solution

1. Step 1: Write the proportion equation
   7,962.83 : 10,991.76 = 5,309.27 : x
2. Step 2: Convert to fraction form
   7,962.83/10,991.76 = 5,309.27/x
3. Step 3: Cross multiply
   7,962.83x = 10,991.76 × 5,309.27
4. Step 4: Simplify right side
   7,962.83x = 58,358,221.62
5. Step 5: Solve for x
   x = 58,358,221.62/7,962.83
6. Step 6: Final answer
   x = 7,328.83