Finding the Fourth Proportional to 7,809.82, 10,773.72 and 5,321.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,809.82 : 10,773.72 = 5,321.50 : x
2. Step 2: Convert to fraction form
   7,809.82/10,773.72 = 5,321.50/x
3. Step 3: Cross multiply
   7,809.82x = 10,773.72 × 5,321.50
4. Step 4: Simplify right side
   7,809.82x = 57,332,350.98
5. Step 5: Solve for x
   x = 57,332,350.98/7,809.82
6. Step 6: Final answer
   x = 7,341.06