Finding the Fourth Proportional to 83,675.58, 115,339.59 and 82,016.70

Step by Step Solution

1. Step 1: Write the proportion equation
   83,675.58 : 115,339.59 = 82,016.70 : x
2. Step 2: Convert to fraction form
   83,675.58/115,339.59 = 82,016.70/x
3. Step 3: Cross multiply
   83,675.58x = 115,339.59 × 82,016.70
4. Step 4: Simplify right side
   83,675.58x = 9,459,772,551.15
5. Step 5: Solve for x
   x = 9,459,772,551.15/83,675.58
6. Step 6: Final answer
   x = 113,052.97