Finding the Fourth Proportional to 105,817.54, 158,724.24 and 25,856.03

Step by Step Solution

1. Step 1: Write the proportion equation
   105,817.54 : 158,724.24 = 25,856.03 : x
2. Step 2: Convert to fraction form
   105,817.54/158,724.24 = 25,856.03/x
3. Step 3: Cross multiply
   105,817.54x = 158,724.24 × 25,856.03
4. Step 4: Simplify right side
   105,817.54x = 4,103,978,711.17
5. Step 5: Solve for x
   x = 4,103,978,711.17/105,817.54
6. Step 6: Final answer
   x = 38,783.54