Finding the Fourth Proportional to 111,982.69, 154,530.69 and 63,578.27

Step by Step Solution

1. Step 1: Write the proportion equation
   111,982.69 : 154,530.69 = 63,578.27 : x
2. Step 2: Convert to fraction form
   111,982.69/154,530.69 = 63,578.27/x
3. Step 3: Cross multiply
   111,982.69x = 154,530.69 × 63,578.27
4. Step 4: Simplify right side
   111,982.69x = 9,824,793,455.25
5. Step 5: Solve for x
   x = 9,824,793,455.25/111,982.69
6. Step 6: Final answer
   x = 87,734.93