Finding the Fourth Proportional to 142,480.08, 196,616.70 and 82,053

Step by Step Solution

1. Step 1: Write the proportion equation
   142,480.08 : 196,616.70 = 82,053 : x
2. Step 2: Convert to fraction form
   142,480.08/196,616.70 = 82,053/x
3. Step 3: Cross multiply
   142,480.08x = 196,616.70 × 82,053
4. Step 4: Simplify right side
   142,480.08x = 16,132,990,085.10
5. Step 5: Solve for x
   x = 16,132,990,085.10/142,480.08
6. Step 6: Final answer
   x = 113,229.79