Finding the Fourth Proportional to 158,175.91, 236,965.82 and 78,120.17

Step by Step Solution

1. Step 1: Write the proportion equation
   158,175.91 : 236,965.82 = 78,120.17 : x
2. Step 2: Convert to fraction form
   158,175.91/236,965.82 = 78,120.17/x
3. Step 3: Cross multiply
   158,175.91x = 236,965.82 × 78,120.17
4. Step 4: Simplify right side
   158,175.91x = 18,511,810,142.59
5. Step 5: Solve for x
   x = 18,511,810,142.59/158,175.91
6. Step 6: Final answer
   x = 117,033.06