Finding the Fourth Proportional to 9,768.54, 13,480.55 and 5,292.29

Step by Step Solution

1. Step 1: Write the proportion equation
   9,768.54 : 13,480.55 = 5,292.29 : x
2. Step 2: Convert to fraction form
   9,768.54/13,480.55 = 5,292.29/x
3. Step 3: Cross multiply
   9,768.54x = 13,480.55 × 5,292.29
4. Step 4: Simplify right side
   9,768.54x = 71,342,979.96
5. Step 5: Solve for x
   x = 71,342,979.96/9,768.54
6. Step 6: Final answer
   x = 7,303.34