Finding the Fourth Proportional to 53,483.69, 73,789.35 and 30,821.96

Step by Step Solution

1. Step 1: Write the proportion equation
   53,483.69 : 73,789.35 = 30,821.96 : x
2. Step 2: Convert to fraction form
   53,483.69/73,789.35 = 30,821.96/x
3. Step 3: Cross multiply
   53,483.69x = 73,789.35 × 30,821.96
4. Step 4: Simplify right side
   53,483.69x = 2,274,332,578.60
5. Step 5: Solve for x
   x = 2,274,332,578.60/53,483.69
6. Step 6: Final answer
   x = 42,523.86