Finding the Fourth Proportional to 142,587.82, 196,722.99 and 82,156.90

Step by Step Solution

1. Step 1: Write the proportion equation
   142,587.82 : 196,722.99 = 82,156.90 : x
2. Step 2: Convert to fraction form
   142,587.82/196,722.99 = 82,156.90/x
3. Step 3: Cross multiply
   142,587.82x = 196,722.99 × 82,156.90
4. Step 4: Simplify right side
   142,587.82x = 16,162,151,017.13
5. Step 5: Solve for x
   x = 16,162,151,017.13/142,587.82
6. Step 6: Final answer
   x = 113,348.75