Finding the Fourth Proportional to 47,673.31, 71,521.52 and 14,391.38

Step by Step Solution

1. Step 1: Write the proportion equation
   47,673.31 : 71,521.52 = 14,391.38 : x
2. Step 2: Convert to fraction form
   47,673.31/71,521.52 = 14,391.38/x
3. Step 3: Cross multiply
   47,673.31x = 71,521.52 × 14,391.38
4. Step 4: Simplify right side
   47,673.31x = 1,029,293,300.54
5. Step 5: Solve for x
   x = 1,029,293,300.54/47,673.31
6. Step 6: Final answer
   x = 21,590.56