Finding the Fourth Proportional to 39,017.20, 53,850.72 and 23,109.52

Step by Step Solution

1. Step 1: Write the proportion equation
   39,017.20 : 53,850.72 = 23,109.52 : x
2. Step 2: Convert to fraction form
   39,017.20/53,850.72 = 23,109.52/x
3. Step 3: Cross multiply
   39,017.20x = 53,850.72 × 23,109.52
4. Step 4: Simplify right side
   39,017.20x = 1,244,464,290.85
5. Step 5: Solve for x
   x = 1,244,464,290.85/39,017.20
6. Step 6: Final answer
   x = 31,895.27