Finding the Fourth Proportional to 105,239.94, 157,840.94 and 30,341.69

Step by Step Solution

1. Step 1: Write the proportion equation
   105,239.94 : 157,840.94 = 30,341.69 : x
2. Step 2: Convert to fraction form
   105,239.94/157,840.94 = 30,341.69/x
3. Step 3: Cross multiply
   105,239.94x = 157,840.94 × 30,341.69
4. Step 4: Simplify right side
   105,239.94x = 4,789,160,578.67
5. Step 5: Solve for x
   x = 4,789,160,578.67/105,239.94
6. Step 6: Final answer
   x = 45,507.06