Finding the Fourth Proportional to 8,667.06, 11,974.83 and 8,338.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,667.06 : 11,974.83 = 8,338.86 : x
2. Step 2: Convert to fraction form
   8,667.06/11,974.83 = 8,338.86/x
3. Step 3: Cross multiply
   8,667.06x = 11,974.83 × 8,338.86
4. Step 4: Simplify right side
   8,667.06x = 99,856,430.89
5. Step 5: Solve for x
   x = 99,856,430.89/8,667.06
6. Step 6: Final answer
   x = 11,521.37