Finding the Fourth Proportional to 9,343.39, 12,982.35 and 9,245.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,343.39 : 12,982.35 = 9,245.89 : x
2. Step 2: Convert to fraction form
   9,343.39/12,982.35 = 9,245.89/x
3. Step 3: Cross multiply
   9,343.39x = 12,982.35 × 9,245.89
4. Step 4: Simplify right side
   9,343.39x = 120,033,380.04
5. Step 5: Solve for x
   x = 120,033,380.04/9,343.39
6. Step 6: Final answer
   x = 12,846.88