Finding the Fourth Proportional to 23,095.72, 31,872.12 and 12,485.35

Step by Step Solution

1. Step 1: Write the proportion equation
   23,095.72 : 31,872.12 = 12,485.35 : x
2. Step 2: Convert to fraction form
   23,095.72/31,872.12 = 12,485.35/x
3. Step 3: Cross multiply
   23,095.72x = 31,872.12 × 12,485.35
4. Step 4: Simplify right side
   23,095.72x = 397,934,566.46
5. Step 5: Solve for x
   x = 397,934,566.46/23,095.72
6. Step 6: Final answer
   x = 17,229.80