Finding the Fourth Proportional to 142,585.17, 196,816.71 and 82,179.87

Step by Step Solution

1. Step 1: Write the proportion equation
   142,585.17 : 196,816.71 = 82,179.87 : x
2. Step 2: Convert to fraction form
   142,585.17/196,816.71 = 82,179.87/x
3. Step 3: Cross multiply
   142,585.17x = 196,816.71 × 82,179.87
4. Step 4: Simplify right side
   142,585.17x = 16,174,371,641.63
5. Step 5: Solve for x
   x = 16,174,371,641.63/142,585.17
6. Step 6: Final answer
   x = 113,436.56