Finding the Fourth Proportional to 111,749.49, 167,734.40 and 82,084.05

Step by Step Solution

1. Step 1: Write the proportion equation
   111,749.49 : 167,734.40 = 82,084.05 : x
2. Step 2: Convert to fraction form
   111,749.49/167,734.40 = 82,084.05/x
3. Step 3: Cross multiply
   111,749.49x = 167,734.40 × 82,084.05
4. Step 4: Simplify right side
   111,749.49x = 13,768,318,465.90
5. Step 5: Solve for x
   x = 13,768,318,465.90/111,749.49
6. Step 6: Final answer
   x = 123,206.99