Finding the Fourth Proportional to 188,067.98, 259,534.06 and 103,185.38

Step by Step Solution

1. Step 1: Write the proportion equation
   188,067.98 : 259,534.06 = 103,185.38 : x
2. Step 2: Convert to fraction form
   188,067.98/259,534.06 = 103,185.38/x
3. Step 3: Cross multiply
   188,067.98x = 259,534.06 × 103,185.38
4. Step 4: Simplify right side
   188,067.98x = 26,780,120,604.04
5. Step 5: Solve for x
   x = 26,780,120,604.04/188,067.98
6. Step 6: Final answer
   x = 142,395.96