Finding the Fourth Proportional to 9,684.45, 13,365.42 and 5,703.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,684.45 : 13,365.42 = 5,703.57 : x
2. Step 2: Convert to fraction form
   9,684.45/13,365.42 = 5,703.57/x
3. Step 3: Cross multiply
   9,684.45x = 13,365.42 × 5,703.57
4. Step 4: Simplify right side
   9,684.45x = 76,230,608.55
5. Step 5: Solve for x
   x = 76,230,608.55/9,684.45
6. Step 6: Final answer
   x = 7,871.44