Finding the Fourth Proportional to 57,305, 79,033.14 and 39,371.24

Step by Step Solution

1. Step 1: Write the proportion equation
   57,305 : 79,033.14 = 39,371.24 : x
2. Step 2: Convert to fraction form
   57,305/79,033.14 = 39,371.24/x
3. Step 3: Cross multiply
   57,305x = 79,033.14 × 39,371.24
4. Step 4: Simplify right side
   57,305x = 3,111,632,722.89
5. Step 5: Solve for x
   x = 3,111,632,722.89/57,305
6. Step 6: Final answer
   x = 54,299.50