Finding the Fourth Proportional to 12,484.40, 17,231.94 and 7,180.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,484.40 : 17,231.94 = 7,180.92 : x
2. Step 2: Convert to fraction form
   12,484.40/17,231.94 = 7,180.92/x
3. Step 3: Cross multiply
   12,484.40x = 17,231.94 × 7,180.92
4. Step 4: Simplify right side
   12,484.40x = 123,741,182.58
5. Step 5: Solve for x
   x = 123,741,182.58/12,484.40
6. Step 6: Final answer
   x = 9,911.67