Finding the Fourth Proportional to 8,204.76, 11,321.15 and 4,667.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,204.76 : 11,321.15 = 4,667.31 : x
2. Step 2: Convert to fraction form
   8,204.76/11,321.15 = 4,667.31/x
3. Step 3: Cross multiply
   8,204.76x = 11,321.15 × 4,667.31
4. Step 4: Simplify right side
   8,204.76x = 52,839,293.27
5. Step 5: Solve for x
   x = 52,839,293.27/8,204.76
6. Step 6: Final answer
   x = 6,440.08