Finding the Fourth Proportional to 105,838.79, 158,741.78 and 30,941.33

Step by Step Solution

1. Step 1: Write the proportion equation
   105,838.79 : 158,741.78 = 30,941.33 : x
2. Step 2: Convert to fraction form
   105,838.79/158,741.78 = 30,941.33/x
3. Step 3: Cross multiply
   105,838.79x = 158,741.78 × 30,941.33
4. Step 4: Simplify right side
   105,838.79x = 4,911,682,273.98
5. Step 5: Solve for x
   x = 4,911,682,273.98/105,838.79
6. Step 6: Final answer
   x = 46,407.20