Finding the Fourth Proportional to 9,653.44, 13,319.40 and 5,674.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,653.44 : 13,319.40 = 5,674.72 : x
2. Step 2: Convert to fraction form
   9,653.44/13,319.40 = 5,674.72/x
3. Step 3: Cross multiply
   9,653.44x = 13,319.40 × 5,674.72
4. Step 4: Simplify right side
   9,653.44x = 75,583,865.57
5. Step 5: Solve for x
   x = 75,583,865.57/9,653.44
6. Step 6: Final answer
   x = 7,829.73