Finding the Fourth Proportional to 105,786.32, 158,680.51 and 26,900.55

Step by Step Solution

1. Step 1: Write the proportion equation
   105,786.32 : 158,680.51 = 26,900.55 : x
2. Step 2: Convert to fraction form
   105,786.32/158,680.51 = 26,900.55/x
3. Step 3: Cross multiply
   105,786.32x = 158,680.51 × 26,900.55
4. Step 4: Simplify right side
   105,786.32x = 4,268,592,263.73
5. Step 5: Solve for x
   x = 4,268,592,263.73/105,786.32
6. Step 6: Final answer
   x = 40,351.08