Finding the Fourth Proportional to 105,778.75, 158,682.94 and 30,904.37

Step by Step Solution

1. Step 1: Write the proportion equation
   105,778.75 : 158,682.94 = 30,904.37 : x
2. Step 2: Convert to fraction form
   105,778.75/158,682.94 = 30,904.37/x
3. Step 3: Cross multiply
   105,778.75x = 158,682.94 × 30,904.37
4. Step 4: Simplify right side
   105,778.75x = 4,903,996,609.89
5. Step 5: Solve for x
   x = 4,903,996,609.89/105,778.75
6. Step 6: Final answer
   x = 46,360.89