Finding the Fourth Proportional to 14,168.10, 21,241.98 and 6,667.47

Step by Step Solution

1. Step 1: Write the proportion equation
   14,168.10 : 21,241.98 = 6,667.47 : x
2. Step 2: Convert to fraction form
   14,168.10/21,241.98 = 6,667.47/x
3. Step 3: Cross multiply
   14,168.10x = 21,241.98 × 6,667.47
4. Step 4: Simplify right side
   14,168.10x = 141,630,264.39
5. Step 5: Solve for x
   x = 141,630,264.39/14,168.10
6. Step 6: Final answer
   x = 9,996.42