Finding the Fourth Proportional to 9,765.54, 13,477.41 and 5,574.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,765.54 : 13,477.41 = 5,574.42 : x
2. Step 2: Convert to fraction form
   9,765.54/13,477.41 = 5,574.42/x
3. Step 3: Cross multiply
   9,765.54x = 13,477.41 × 5,574.42
4. Step 4: Simplify right side
   9,765.54x = 75,128,743.85
5. Step 5: Solve for x
   x = 75,128,743.85/9,765.54
6. Step 6: Final answer
   x = 7,693.25