Finding the Fourth Proportional to 25,231, 34,818.78 and 14,053.72

Step by Step Solution

1. Step 1: Write the proportion equation
   25,231 : 34,818.78 = 14,053.72 : x
2. Step 2: Convert to fraction form
   25,231/34,818.78 = 14,053.72/x
3. Step 3: Cross multiply
   25,231x = 34,818.78 × 14,053.72
4. Step 4: Simplify right side
   25,231x = 489,333,384.86
5. Step 5: Solve for x
   x = 489,333,384.86/25,231
6. Step 6: Final answer
   x = 19,394.13