Finding the Fourth Proportional to 142,576.31, 196,779.71 and 82,136.14

Step by Step Solution

1. Step 1: Write the proportion equation
   142,576.31 : 196,779.71 = 82,136.14 : x
2. Step 2: Convert to fraction form
   142,576.31/196,779.71 = 82,136.14/x
3. Step 3: Cross multiply
   142,576.31x = 196,779.71 × 82,136.14
4. Step 4: Simplify right side
   142,576.31x = 16,162,725,809.72
5. Step 5: Solve for x
   x = 16,162,725,809.72/142,576.31
6. Step 6: Final answer
   x = 113,361.93