Finding the Fourth Proportional to 59,616.72, 82,242.72 and 42,859.44

Step by Step Solution

1. Step 1: Write the proportion equation
   59,616.72 : 82,242.72 = 42,859.44 : x
2. Step 2: Convert to fraction form
   59,616.72/82,242.72 = 42,859.44/x
3. Step 3: Cross multiply
   59,616.72x = 82,242.72 × 42,859.44
4. Step 4: Simplify right side
   59,616.72x = 3,524,876,923.28
5. Step 5: Solve for x
   x = 3,524,876,923.28/59,616.72
6. Step 6: Final answer
   x = 59,125.64