Finding the Fourth Proportional to 105,608.48, 158,411.35 and 25,647.10

Step by Step Solution

1. Step 1: Write the proportion equation
   105,608.48 : 158,411.35 = 25,647.10 : x
2. Step 2: Convert to fraction form
   105,608.48/158,411.35 = 25,647.10/x
3. Step 3: Cross multiply
   105,608.48x = 158,411.35 × 25,647.10
4. Step 4: Simplify right side
   105,608.48x = 4,062,791,226.35
5. Step 5: Solve for x
   x = 4,062,791,226.35/105,608.48
6. Step 6: Final answer
   x = 38,470.31