Finding the Fourth Proportional to 59,986.37, 82,780.53 and 33,128.35

Step by Step Solution

1. Step 1: Write the proportion equation
   59,986.37 : 82,780.53 = 33,128.35 : x
2. Step 2: Convert to fraction form
   59,986.37/82,780.53 = 33,128.35/x
3. Step 3: Cross multiply
   59,986.37x = 82,780.53 × 33,128.35
4. Step 4: Simplify right side
   59,986.37x = 2,742,382,371.03
5. Step 5: Solve for x
   x = 2,742,382,371.03/59,986.37
6. Step 6: Final answer
   x = 45,716.76