Finding the Fourth Proportional to 142,532.33, 196,715.48 and 82,091.21

Step by Step Solution

1. Step 1: Write the proportion equation
   142,532.33 : 196,715.48 = 82,091.21 : x
2. Step 2: Convert to fraction form
   142,532.33/196,715.48 = 82,091.21/x
3. Step 3: Cross multiply
   142,532.33x = 196,715.48 × 82,091.21
4. Step 4: Simplify right side
   142,532.33x = 16,148,610,384.90
5. Step 5: Solve for x
   x = 16,148,610,384.90/142,532.33
6. Step 6: Final answer
   x = 113,297.88