Finding the Fourth Proportional to 142,529.33, 196,711.34 and 82,088.21

Step by Step Solution

1. Step 1: Write the proportion equation
   142,529.33 : 196,711.34 = 82,088.21 : x
2. Step 2: Convert to fraction form
   142,529.33/196,711.34 = 82,088.21/x
3. Step 3: Cross multiply
   142,529.33x = 196,711.34 × 82,088.21
4. Step 4: Simplify right side
   142,529.33x = 16,147,680,393.30
5. Step 5: Solve for x
   x = 16,147,680,393.30/142,529.33
6. Step 6: Final answer
   x = 113,293.74