Finding the Fourth Proportional to 105,353.10, 158,005.94 and 30,456.56

Step by Step Solution

1. Step 1: Write the proportion equation
   105,353.10 : 158,005.94 = 30,456.56 : x
2. Step 2: Convert to fraction form
   105,353.10/158,005.94 = 30,456.56/x
3. Step 3: Cross multiply
   105,353.10x = 158,005.94 × 30,456.56
4. Step 4: Simplify right side
   105,353.10x = 4,812,316,449.65
5. Step 5: Solve for x
   x = 4,812,316,449.65/105,353.10
6. Step 6: Final answer
   x = 45,677.98