Finding the Fourth Proportional to 59,883.72, 82,673.28 and 39,768.12

Step by Step Solution

1. Step 1: Write the proportion equation
   59,883.72 : 82,673.28 = 39,768.12 : x
2. Step 2: Convert to fraction form
   59,883.72/82,673.28 = 39,768.12/x
3. Step 3: Cross multiply
   59,883.72x = 82,673.28 × 39,768.12
4. Step 4: Simplify right side
   59,883.72x = 3,287,760,919.83
5. Step 5: Solve for x
   x = 3,287,760,919.83/59,883.72
6. Step 6: Final answer
   x = 54,902.42