Finding the Fourth Proportional to 23,095.84, 31,872.31 and 12,485.47

Step by Step Solution

1. Step 1: Write the proportion equation
   23,095.84 : 31,872.31 = 12,485.47 : x
2. Step 2: Convert to fraction form
   23,095.84/31,872.31 = 12,485.47/x
3. Step 3: Cross multiply
   23,095.84x = 31,872.31 × 12,485.47
4. Step 4: Simplify right side
   23,095.84x = 397,940,707.91
5. Step 5: Solve for x
   x = 397,940,707.91/23,095.84
6. Step 6: Final answer
   x = 17,229.97