Finding the Fourth Proportional to 39,078.15, 58,617.27 and 27,443.31

Step by Step Solution

1. Step 1: Write the proportion equation
   39,078.15 : 58,617.27 = 27,443.31 : x
2. Step 2: Convert to fraction form
   39,078.15/58,617.27 = 27,443.31/x
3. Step 3: Cross multiply
   39,078.15x = 58,617.27 × 27,443.31
4. Step 4: Simplify right side
   39,078.15x = 1,608,651,692.15
5. Step 5: Solve for x
   x = 1,608,651,692.15/39,078.15
6. Step 6: Final answer
   x = 41,164.99