Finding the Fourth Proportional to 9,705.25, 13,393.25 and 5,513.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,705.25 : 13,393.25 = 5,513.50 : x
2. Step 2: Convert to fraction form
   9,705.25/13,393.25 = 5,513.50/x
3. Step 3: Cross multiply
   9,705.25x = 13,393.25 × 5,513.50
4. Step 4: Simplify right side
   9,705.25x = 73,843,683.88
5. Step 5: Solve for x
   x = 73,843,683.88/9,705.25
6. Step 6: Final answer
   x = 7,608.63