Finding the Fourth Proportional to 113,823.72, 170,322.42 and 82,296.90

Step by Step Solution

1. Step 1: Write the proportion equation
   113,823.72 : 170,322.42 = 82,296.90 : x
2. Step 2: Convert to fraction form
   113,823.72/170,322.42 = 82,296.90/x
3. Step 3: Cross multiply
   113,823.72x = 170,322.42 × 82,296.90
4. Step 4: Simplify right side
   113,823.72x = 14,017,007,166.50
5. Step 5: Solve for x
   x = 14,017,007,166.50/113,823.72
6. Step 6: Final answer
   x = 123,146.63