Finding the Fourth Proportional to 8,213.96, 12,322.98 and 2,667.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,213.96 : 12,322.98 = 2,667.32 : x
2. Step 2: Convert to fraction form
   8,213.96/12,322.98 = 2,667.32/x
3. Step 3: Cross multiply
   8,213.96x = 12,322.98 × 2,667.32
4. Step 4: Simplify right side
   8,213.96x = 32,869,331.01
5. Step 5: Solve for x
   x = 32,869,331.01/8,213.96
6. Step 6: Final answer
   x = 4,001.64