Finding the Fourth Proportional to 12,482.45, 17,228.67 and 7,180.33

Step by Step Solution

1. Step 1: Write the proportion equation
   12,482.45 : 17,228.67 = 7,180.33 : x
2. Step 2: Convert to fraction form
   12,482.45/17,228.67 = 7,180.33/x
3. Step 3: Cross multiply
   12,482.45x = 17,228.67 × 7,180.33
4. Step 4: Simplify right side
   12,482.45x = 123,707,536.06
5. Step 5: Solve for x
   x = 123,707,536.06/12,482.45
6. Step 6: Final answer
   x = 9,910.52