Finding the Fourth Proportional to 23,096.22, 31,872.72 and 12,485.87

Step by Step Solution

1. Step 1: Write the proportion equation
   23,096.22 : 31,872.72 = 12,485.87 : x
2. Step 2: Convert to fraction form
   23,096.22/31,872.72 = 12,485.87/x
3. Step 3: Cross multiply
   23,096.22x = 31,872.72 × 12,485.87
4. Step 4: Simplify right side
   23,096.22x = 397,958,638.47
5. Step 5: Solve for x
   x = 397,958,638.47/23,096.22
6. Step 6: Final answer
   x = 17,230.47