Finding the Fourth Proportional to 9,111.33, 13,669.31 and 3,847.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,111.33 : 13,669.31 = 3,847.67 : x
2. Step 2: Convert to fraction form
   9,111.33/13,669.31 = 3,847.67/x
3. Step 3: Cross multiply
   9,111.33x = 13,669.31 × 3,847.67
4. Step 4: Simplify right side
   9,111.33x = 52,594,944.39
5. Step 5: Solve for x
   x = 52,594,944.39/9,111.33
6. Step 6: Final answer
   x = 5,772.48