Finding the Fourth Proportional to 144,588.96, 199,530.81 and 80,926.74

Step by Step Solution

1. Step 1: Write the proportion equation
   144,588.96 : 199,530.81 = 80,926.74 : x
2. Step 2: Convert to fraction form
   144,588.96/199,530.81 = 80,926.74/x
3. Step 3: Cross multiply
   144,588.96x = 199,530.81 × 80,926.74
4. Step 4: Simplify right side
   144,588.96x = 16,147,377,982.86
5. Step 5: Solve for x
   x = 16,147,377,982.86/144,588.96
6. Step 6: Final answer
   x = 111,677.81