Finding the Fourth Proportional to 142,673.99, 196,889.72 and 82,244.30

Step by Step Solution

1. Step 1: Write the proportion equation
   142,673.99 : 196,889.72 = 82,244.30 : x
2. Step 2: Convert to fraction form
   142,673.99/196,889.72 = 82,244.30/x
3. Step 3: Cross multiply
   142,673.99x = 196,889.72 × 82,244.30
4. Step 4: Simplify right side
   142,673.99x = 16,193,055,802.93
5. Step 5: Solve for x
   x = 16,193,055,802.93/142,673.99
6. Step 6: Final answer
   x = 113,496.91