Finding the Fourth Proportional to 105,793.02, 158,704.34 and 30,918.65

Step by Step Solution

1. Step 1: Write the proportion equation
   105,793.02 : 158,704.34 = 30,918.65 : x
2. Step 2: Convert to fraction form
   105,793.02/158,704.34 = 30,918.65/x
3. Step 3: Cross multiply
   105,793.02x = 158,704.34 × 30,918.65
4. Step 4: Simplify right side
   105,793.02x = 4,906,922,993.83
5. Step 5: Solve for x
   x = 4,906,922,993.83/105,793.02
6. Step 6: Final answer
   x = 46,382.29