Finding the Fourth Proportional to 142,585.77, 196,812.15 and 82,196.76

Step by Step Solution

1. Step 1: Write the proportion equation
   142,585.77 : 196,812.15 = 82,196.76 : x
2. Step 2: Convert to fraction form
   142,585.77/196,812.15 = 82,196.76/x
3. Step 3: Cross multiply
   142,585.77x = 196,812.15 × 82,196.76
4. Step 4: Simplify right side
   142,585.77x = 16,177,321,058.63
5. Step 5: Solve for x
   x = 16,177,321,058.63/142,585.77
6. Step 6: Final answer
   x = 113,456.77