Finding the Fourth Proportional to 142,783.72, 197,036.28 and 82,356.92

Step by Step Solution

1. Step 1: Write the proportion equation
   142,783.72 : 197,036.28 = 82,356.92 : x
2. Step 2: Convert to fraction form
   142,783.72/197,036.28 = 82,356.92/x
3. Step 3: Cross multiply
   142,783.72x = 197,036.28 × 82,356.92
4. Step 4: Simplify right side
   142,783.72x = 16,227,301,149.06
5. Step 5: Solve for x
   x = 16,227,301,149.06/142,783.72
6. Step 6: Final answer
   x = 113,649.52