Finding the Fourth Proportional to 188,986.24, 260,801.72 and 104,103.10

Step by Step Solution

1. Step 1: Write the proportion equation
   188,986.24 : 260,801.72 = 104,103.10 : x
2. Step 2: Convert to fraction form
   188,986.24/260,801.72 = 104,103.10/x
3. Step 3: Cross multiply
   188,986.24x = 260,801.72 × 104,103.10
4. Step 4: Simplify right side
   188,986.24x = 27,150,267,537.33
5. Step 5: Solve for x
   x = 27,150,267,537.33/188,986.24
6. Step 6: Final answer
   x = 143,662.67