Finding the Fourth Proportional to 25,498.89, 38,192.94 and 12,323.63

Step by Step Solution

1. Step 1: Write the proportion equation
   25,498.89 : 38,192.94 = 12,323.63 : x
2. Step 2: Convert to fraction form
   25,498.89/38,192.94 = 12,323.63/x
3. Step 3: Cross multiply
   25,498.89x = 38,192.94 × 12,323.63
4. Step 4: Simplify right side
   25,498.89x = 470,675,470.21
5. Step 5: Solve for x
   x = 470,675,470.21/25,498.89
6. Step 6: Final answer
   x = 18,458.67