Finding the Fourth Proportional to 8,291.10, 12,433.02 and 2,667.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,291.10 : 12,433.02 = 2,667.42 : x
2. Step 2: Convert to fraction form
   8,291.10/12,433.02 = 2,667.42/x
3. Step 3: Cross multiply
   8,291.10x = 12,433.02 × 2,667.42
4. Step 4: Simplify right side
   8,291.10x = 33,164,086.21
5. Step 5: Solve for x
   x = 33,164,086.21/8,291.10
6. Step 6: Final answer
   x = 3,999.96