Finding the Fourth Proportional to 69,721.52, 104,563.59 and 30,269.25

Step by Step Solution

1. Step 1: Write the proportion equation
   69,721.52 : 104,563.59 = 30,269.25 : x
2. Step 2: Convert to fraction form
   69,721.52/104,563.59 = 30,269.25/x
3. Step 3: Cross multiply
   69,721.52x = 104,563.59 × 30,269.25
4. Step 4: Simplify right side
   69,721.52x = 3,165,061,503.36
5. Step 5: Solve for x
   x = 3,165,061,503.36/69,721.52
6. Step 6: Final answer
   x = 45,395.76