Finding the Fourth Proportional to 59,963.60, 82,687.56 and 38,709.20

Step by Step Solution

1. Step 1: Write the proportion equation
   59,963.60 : 82,687.56 = 38,709.20 : x
2. Step 2: Convert to fraction form
   59,963.60/82,687.56 = 38,709.20/x
3. Step 3: Cross multiply
   59,963.60x = 82,687.56 × 38,709.20
4. Step 4: Simplify right side
   59,963.60x = 3,200,769,297.55
5. Step 5: Solve for x
   x = 3,200,769,297.55/59,963.60
6. Step 6: Final answer
   x = 53,378.54