Finding the Fourth Proportional to 12,662.04, 17,469.78 and 7,355.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,662.04 : 17,469.78 = 7,355.82 : x
2. Step 2: Convert to fraction form
   12,662.04/17,469.78 = 7,355.82/x
3. Step 3: Cross multiply
   12,662.04x = 17,469.78 × 7,355.82
4. Step 4: Simplify right side
   12,662.04x = 128,504,557.12
5. Step 5: Solve for x
   x = 128,504,557.12/12,662.04
6. Step 6: Final answer
   x = 10,148.80