Finding the Fourth Proportional to 86,409.82, 129,610.41 and 33,828.94

Step by Step Solution

1. Step 1: Write the proportion equation
   86,409.82 : 129,610.41 = 33,828.94 : x
2. Step 2: Convert to fraction form
   86,409.82/129,610.41 = 33,828.94/x
3. Step 3: Cross multiply
   86,409.82x = 129,610.41 × 33,828.94
4. Step 4: Simplify right side
   86,409.82x = 4,384,582,783.27
5. Step 5: Solve for x
   x = 4,384,582,783.27/86,409.82
6. Step 6: Final answer
   x = 50,741.72