Finding the Fourth Proportional to 9,769.20, 13,482.83 and 5,991.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,769.20 : 13,482.83 = 5,991.69 : x
2. Step 2: Convert to fraction form
   9,769.20/13,482.83 = 5,991.69/x
3. Step 3: Cross multiply
   9,769.20x = 13,482.83 × 5,991.69
4. Step 4: Simplify right side
   9,769.20x = 80,784,907.72
5. Step 5: Solve for x
   x = 80,784,907.72/9,769.20
6. Step 6: Final answer
   x = 8,269.35