Finding the Fourth Proportional to 69,747.57, 104,557.59 and 30,290.49

Step by Step Solution

1. Step 1: Write the proportion equation
   69,747.57 : 104,557.59 = 30,290.49 : x
2. Step 2: Convert to fraction form
   69,747.57/104,557.59 = 30,290.49/x
3. Step 3: Cross multiply
   69,747.57x = 104,557.59 × 30,290.49
4. Step 4: Simplify right side
   69,747.57x = 3,167,100,634.32
5. Step 5: Solve for x
   x = 3,167,100,634.32/69,747.57
6. Step 6: Final answer
   x = 45,408.04