Finding the Fourth Proportional to 9,768.32, 13,480.28 and 5,292.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,768.32 : 13,480.28 = 5,292.10 : x
2. Step 2: Convert to fraction form
   9,768.32/13,480.28 = 5,292.10/x
3. Step 3: Cross multiply
   9,768.32x = 13,480.28 × 5,292.10
4. Step 4: Simplify right side
   9,768.32x = 71,338,989.79
5. Step 5: Solve for x
   x = 71,338,989.79/9,768.32
6. Step 6: Final answer
   x = 7,303.10