Finding the Fourth Proportional to 9,980.69, 13,770.81 and 7,323.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,980.69 : 13,770.81 = 7,323.48 : x
2. Step 2: Convert to fraction form
   9,980.69/13,770.81 = 7,323.48/x
3. Step 3: Cross multiply
   9,980.69x = 13,770.81 × 7,323.48
4. Step 4: Simplify right side
   9,980.69x = 100,850,251.62
5. Step 5: Solve for x
   x = 100,850,251.62/9,980.69
6. Step 6: Final answer
   x = 10,104.54