Finding the Fourth Proportional to 105,495.56, 158,243.38 and 31,623.56

Step by Step Solution

1. Step 1: Write the proportion equation
   105,495.56 : 158,243.38 = 31,623.56 : x
2. Step 2: Convert to fraction form
   105,495.56/158,243.38 = 31,623.56/x
3. Step 3: Cross multiply
   105,495.56x = 158,243.38 × 31,623.56
4. Step 4: Simplify right side
   105,495.56x = 5,004,219,338.58
5. Step 5: Solve for x
   x = 5,004,219,338.58/105,495.56
6. Step 6: Final answer
   x = 47,435.35