Finding the Fourth Proportional to 8,214.50, 12,323.70 and 2,667.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,214.50 : 12,323.70 = 2,667.86 : x
2. Step 2: Convert to fraction form
   8,214.50/12,323.70 = 2,667.86/x
3. Step 3: Cross multiply
   8,214.50x = 12,323.70 × 2,667.86
4. Step 4: Simplify right side
   8,214.50x = 32,877,906.28
5. Step 5: Solve for x
   x = 32,877,906.28/8,214.50
6. Step 6: Final answer
   x = 4,002.42