Finding the Fourth Proportional to 105,778.62, 158,671.71 and 35,658.54

Step by Step Solution

1. Step 1: Write the proportion equation
   105,778.62 : 158,671.71 = 35,658.54 : x
2. Step 2: Convert to fraction form
   105,778.62/158,671.71 = 35,658.54/x
3. Step 3: Cross multiply
   105,778.62x = 158,671.71 × 35,658.54
4. Step 4: Simplify right side
   105,778.62x = 5,658,001,517.90
5. Step 5: Solve for x
   x = 5,658,001,517.90/105,778.62
6. Step 6: Final answer
   x = 53,489.08