Finding the Fourth Proportional to 12,441.96, 17,164.98 and 8,664.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,441.96 : 17,164.98 = 8,664.12 : x
2. Step 2: Convert to fraction form
   12,441.96/17,164.98 = 8,664.12/x
3. Step 3: Cross multiply
   12,441.96x = 17,164.98 × 8,664.12
4. Step 4: Simplify right side
   12,441.96x = 148,719,446.52
5. Step 5: Solve for x
   x = 148,719,446.52/12,441.96
6. Step 6: Final answer
   x = 11,953.06