Finding the Fourth Proportional to 9,483.20, 13,086.60 and 5,234.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,483.20 : 13,086.60 = 5,234.10 : x
2. Step 2: Convert to fraction form
   9,483.20/13,086.60 = 5,234.10/x
3. Step 3: Cross multiply
   9,483.20x = 13,086.60 × 5,234.10
4. Step 4: Simplify right side
   9,483.20x = 68,496,504.36
5. Step 5: Solve for x
   x = 68,496,504.36/9,483.20
6. Step 6: Final answer
   x = 7,222.93