Finding the Fourth Proportional to 9,776.33, 14,610.81 and 7,149.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,776.33 : 14,610.81 = 7,149.37 : x
2. Step 2: Convert to fraction form
   9,776.33/14,610.81 = 7,149.37/x
3. Step 3: Cross multiply
   9,776.33x = 14,610.81 × 7,149.37
4. Step 4: Simplify right side
   9,776.33x = 104,458,086.69
5. Step 5: Solve for x
   x = 104,458,086.69/9,776.33
6. Step 6: Final answer
   x = 10,684.80