Finding the Fourth Proportional to 12,073.50, 16,667.91 and 9,414.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,073.50 : 16,667.91 = 9,414.54 : x
2. Step 2: Convert to fraction form
   12,073.50/16,667.91 = 9,414.54/x
3. Step 3: Cross multiply
   12,073.50x = 16,667.91 × 9,414.54
4. Step 4: Simplify right side
   12,073.50x = 156,920,705.41
5. Step 5: Solve for x
   x = 156,920,705.41/12,073.50
6. Step 6: Final answer
   x = 12,997.12