Finding the Fourth Proportional to 59,986.96, 82,782.44 and 33,128.72

Step by Step Solution

1. Step 1: Write the proportion equation
   59,986.96 : 82,782.44 = 33,128.72 : x
2. Step 2: Convert to fraction form
   59,986.96/82,782.44 = 33,128.72/x
3. Step 3: Cross multiply
   59,986.96x = 82,782.44 × 33,128.72
4. Step 4: Simplify right side
   59,986.96x = 2,742,476,275.68
5. Step 5: Solve for x
   x = 2,742,476,275.68/59,986.96
6. Step 6: Final answer
   x = 45,717.87