Finding the Fourth Proportional to 22,975.31, 31,676.86 and 15,004.91

Step by Step Solution

1. Step 1: Write the proportion equation
   22,975.31 : 31,676.86 = 15,004.91 : x
2. Step 2: Convert to fraction form
   22,975.31/31,676.86 = 15,004.91/x
3. Step 3: Cross multiply
   22,975.31x = 31,676.86 × 15,004.91
4. Step 4: Simplify right side
   22,975.31x = 475,308,433.38
5. Step 5: Solve for x
   x = 475,308,433.38/22,975.31
6. Step 6: Final answer
   x = 20,687.79