Finding the Fourth Proportional to 105,774.54, 158,637.24 and 30,878.88

Step by Step Solution

1. Step 1: Write the proportion equation
   105,774.54 : 158,637.24 = 30,878.88 : x
2. Step 2: Convert to fraction form
   105,774.54/158,637.24 = 30,878.88/x
3. Step 3: Cross multiply
   105,774.54x = 158,637.24 × 30,878.88
4. Step 4: Simplify right side
   105,774.54x = 4,898,540,297.49
5. Step 5: Solve for x
   x = 4,898,540,297.49/105,774.54
6. Step 6: Final answer
   x = 46,311.15