Finding the Fourth Proportional to 140,928.69, 194,489.55 and 83,601.96

Step by Step Solution

1. Step 1: Write the proportion equation
   140,928.69 : 194,489.55 = 83,601.96 : x
2. Step 2: Convert to fraction form
   140,928.69/194,489.55 = 83,601.96/x
3. Step 3: Cross multiply
   140,928.69x = 194,489.55 × 83,601.96
4. Step 4: Simplify right side
   140,928.69x = 16,259,707,579.52
5. Step 5: Solve for x
   x = 16,259,707,579.52/140,928.69
6. Step 6: Final answer
   x = 115,375.43