Finding the Fourth Proportional to 105,601.15, 158,401.85 and 26,715.35

Step by Step Solution

1. Step 1: Write the proportion equation
   105,601.15 : 158,401.85 = 26,715.35 : x
2. Step 2: Convert to fraction form
   105,601.15/158,401.85 = 26,715.35/x
3. Step 3: Cross multiply
   105,601.15x = 158,401.85 × 26,715.35
4. Step 4: Simplify right side
   105,601.15x = 4,231,761,125.83
5. Step 5: Solve for x
   x = 4,231,761,125.83/105,601.15
6. Step 6: Final answer
   x = 40,073.06