Finding the Fourth Proportional to 23,168.61, 31,955.78 and 14,672.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,168.61 : 31,955.78 = 14,672.12 : x
2. Step 2: Convert to fraction form
   23,168.61/31,955.78 = 14,672.12/x
3. Step 3: Cross multiply
   23,168.61x = 31,955.78 × 14,672.12
4. Step 4: Simplify right side
   23,168.61x = 468,858,805.71
5. Step 5: Solve for x
   x = 468,858,805.71/23,168.61
6. Step 6: Final answer
   x = 20,236.81