Finding the Fourth Proportional to 9,404.37, 12,980.66 and 9,262.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,404.37 : 12,980.66 = 9,262.22 : x
2. Step 2: Convert to fraction form
   9,404.37/12,980.66 = 9,262.22/x
3. Step 3: Cross multiply
   9,404.37x = 12,980.66 × 9,262.22
4. Step 4: Simplify right side
   9,404.37x = 120,229,617.45
5. Step 5: Solve for x
   x = 120,229,617.45/9,404.37
6. Step 6: Final answer
   x = 12,784.44