Finding the Fourth Proportional to 9,704.25, 13,391.87 and 5,513.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,704.25 : 13,391.87 = 5,513.31 : x
2. Step 2: Convert to fraction form
   9,704.25/13,391.87 = 5,513.31/x
3. Step 3: Cross multiply
   9,704.25x = 13,391.87 × 5,513.31
4. Step 4: Simplify right side
   9,704.25x = 73,833,503.22
5. Step 5: Solve for x
   x = 73,833,503.22/9,704.25
6. Step 6: Final answer
   x = 7,608.37