Finding the Fourth Proportional to 105,781.62, 158,676.21 and 35,661.54

Step by Step Solution

1. Step 1: Write the proportion equation
   105,781.62 : 158,676.21 = 35,661.54 : x
2. Step 2: Convert to fraction form
   105,781.62/158,676.21 = 35,661.54/x
3. Step 3: Cross multiply
   105,781.62x = 158,676.21 × 35,661.54
4. Step 4: Simplify right side
   105,781.62x = 5,658,638,009.96
5. Step 5: Solve for x
   x = 5,658,638,009.96/105,781.62
6. Step 6: Final answer
   x = 53,493.58