Finding the Fourth Proportional to 69,910.04, 104,920.42 and 30,494.83

Step by Step Solution

1. Step 1: Write the proportion equation
   69,910.04 : 104,920.42 = 30,494.83 : x
2. Step 2: Convert to fraction form
   69,910.04/104,920.42 = 30,494.83/x
3. Step 3: Cross multiply
   69,910.04x = 104,920.42 × 30,494.83
4. Step 4: Simplify right side
   69,910.04x = 3,199,530,371.43
5. Step 5: Solve for x
   x = 3,199,530,371.43/69,910.04
6. Step 6: Final answer
   x = 45,766.39