Finding the Fourth Proportional to 105,749.41, 158,623.71 and 25,786.45

Step by Step Solution

1. Step 1: Write the proportion equation
   105,749.41 : 158,623.71 = 25,786.45 : x
2. Step 2: Convert to fraction form
   105,749.41/158,623.71 = 25,786.45/x
3. Step 3: Cross multiply
   105,749.41x = 158,623.71 × 25,786.45
4. Step 4: Simplify right side
   105,749.41x = 4,090,342,366.73
5. Step 5: Solve for x
   x = 4,090,342,366.73/105,749.41
6. Step 6: Final answer
   x = 38,679.58