Finding the Fourth Proportional to 105,927.34, 158,912.88 and 31,049.94

Step by Step Solution

1. Step 1: Write the proportion equation
   105,927.34 : 158,912.88 = 31,049.94 : x
2. Step 2: Convert to fraction form
   105,927.34/158,912.88 = 31,049.94/x
3. Step 3: Cross multiply
   105,927.34x = 158,912.88 × 31,049.94
4. Step 4: Simplify right side
   105,927.34x = 4,934,235,389.23
5. Step 5: Solve for x
   x = 4,934,235,389.23/105,927.34
6. Step 6: Final answer
   x = 46,581.32