Finding the Fourth Proportional to 8,926.67, 12,308.38 and 7,242.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,926.67 : 12,308.38 = 7,242.82 : x
2. Step 2: Convert to fraction form
   8,926.67/12,308.38 = 7,242.82/x
3. Step 3: Cross multiply
   8,926.67x = 12,308.38 × 7,242.82
4. Step 4: Simplify right side
   8,926.67x = 89,147,380.83
5. Step 5: Solve for x
   x = 89,147,380.83/8,926.67
6. Step 6: Final answer
   x = 9,986.63