Finding the Fourth Proportional to 22,947.69, 31,685.73 and 14,885.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,947.69 : 31,685.73 = 14,885.18 : x
2. Step 2: Convert to fraction form
   22,947.69/31,685.73 = 14,885.18/x
3. Step 3: Cross multiply
   22,947.69x = 31,685.73 × 14,885.18
4. Step 4: Simplify right side
   22,947.69x = 471,647,794.48
5. Step 5: Solve for x
   x = 471,647,794.48/22,947.69
6. Step 6: Final answer
   x = 20,553.17