Finding the Fourth Proportional to 105,447.94, 158,905.47 and 95,455.72

Step by Step Solution

1. Step 1: Write the proportion equation
   105,447.94 : 158,905.47 = 95,455.72 : x
2. Step 2: Convert to fraction form
   105,447.94/158,905.47 = 95,455.72/x
3. Step 3: Cross multiply
   105,447.94x = 158,905.47 × 95,455.72
4. Step 4: Simplify right side
   105,447.94x = 15,168,435,573.51
5. Step 5: Solve for x
   x = 15,168,435,573.51/105,447.94
6. Step 6: Final answer
   x = 143,847.62