Finding the Fourth Proportional to 142,183.33, 196,217.83 and 84,089.86

Step by Step Solution

1. Step 1: Write the proportion equation
   142,183.33 : 196,217.83 = 84,089.86 : x
2. Step 2: Convert to fraction form
   142,183.33/196,217.83 = 84,089.86/x
3. Step 3: Cross multiply
   142,183.33x = 196,217.83 × 84,089.86
4. Step 4: Simplify right side
   142,183.33x = 16,499,929,363.66
5. Step 5: Solve for x
   x = 16,499,929,363.66/142,183.33
6. Step 6: Final answer
   x = 116,046.87