Finding the Fourth Proportional to 69,578.73, 104,397.39 and 34,071.37

Step by Step Solution

1. Step 1: Write the proportion equation
   69,578.73 : 104,397.39 = 34,071.37 : x
2. Step 2: Convert to fraction form
   69,578.73/104,397.39 = 34,071.37/x
3. Step 3: Cross multiply
   69,578.73x = 104,397.39 × 34,071.37
4. Step 4: Simplify right side
   69,578.73x = 3,556,961,840.73
5. Step 5: Solve for x
   x = 3,556,961,840.73/69,578.73
6. Step 6: Final answer
   x = 51,121.40