Finding the Fourth Proportional to 9,768.42, 13,480.43 and 5,292.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,768.42 : 13,480.43 = 5,292.16 : x
2. Step 2: Convert to fraction form
   9,768.42/13,480.43 = 5,292.16/x
3. Step 3: Cross multiply
   9,768.42x = 13,480.43 × 5,292.16
4. Step 4: Simplify right side
   9,768.42x = 71,340,532.27
5. Step 5: Solve for x
   x = 71,340,532.27/9,768.42
6. Step 6: Final answer
   x = 7,303.18