Finding the Fourth Proportional to 9,654.44, 13,320.78 and 5,675.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,654.44 : 13,320.78 = 5,675.72 : x
2. Step 2: Convert to fraction form
   9,654.44/13,320.78 = 5,675.72/x
3. Step 3: Cross multiply
   9,654.44x = 13,320.78 × 5,675.72
4. Step 4: Simplify right side
   9,654.44x = 75,605,017.46
5. Step 5: Solve for x
   x = 75,605,017.46/9,654.44
6. Step 6: Final answer
   x = 7,831.11