Finding the Fourth Proportional to 69,067.82, 103,601.75 and 31,072.70

Step by Step Solution

1. Step 1: Write the proportion equation
   69,067.82 : 103,601.75 = 31,072.70 : x
2. Step 2: Convert to fraction form
   69,067.82/103,601.75 = 31,072.70/x
3. Step 3: Cross multiply
   69,067.82x = 103,601.75 × 31,072.70
4. Step 4: Simplify right side
   69,067.82x = 3,219,186,097.23
5. Step 5: Solve for x
   x = 3,219,186,097.23/69,067.82
6. Step 6: Final answer
   x = 46,609.06