Finding the Fourth Proportional to 8,215.98, 12,325.20 and 2,667.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,215.98 : 12,325.20 = 2,667.48 : x
2. Step 2: Convert to fraction form
   8,215.98/12,325.20 = 2,667.48/x
3. Step 3: Cross multiply
   8,215.98x = 12,325.20 × 2,667.48
4. Step 4: Simplify right side
   8,215.98x = 32,877,224.50
5. Step 5: Solve for x
   x = 32,877,224.50/8,215.98
6. Step 6: Final answer
   x = 4,001.62