Finding the Fourth Proportional to 105,937.78, 158,906.93 and 25,976.10

Step by Step Solution

1. Step 1: Write the proportion equation
   105,937.78 : 158,906.93 = 25,976.10 : x
2. Step 2: Convert to fraction form
   105,937.78/158,906.93 = 25,976.10/x
3. Step 3: Cross multiply
   105,937.78x = 158,906.93 × 25,976.10
4. Step 4: Simplify right side
   105,937.78x = 4,127,781,578.59
5. Step 5: Solve for x
   x = 4,127,781,578.59/105,937.78
6. Step 6: Final answer
   x = 38,964.21