Finding the Fourth Proportional to 105,553.78, 158,341.04 and 30,674.58

Step by Step Solution

1. Step 1: Write the proportion equation
   105,553.78 : 158,341.04 = 30,674.58 : x
2. Step 2: Convert to fraction form
   105,553.78/158,341.04 = 30,674.58/x
3. Step 3: Cross multiply
   105,553.78x = 158,341.04 × 30,674.58
4. Step 4: Simplify right side
   105,553.78x = 4,857,044,898.76
5. Step 5: Solve for x
   x = 4,857,044,898.76/105,553.78
6. Step 6: Final answer
   x = 46,014.88