Finding the Fourth Proportional to 105,888.25, 158,785.74 and 49,744.31

Step by Step Solution

1. Step 1: Write the proportion equation
   105,888.25 : 158,785.74 = 49,744.31 : x
2. Step 2: Convert to fraction form
   105,888.25/158,785.74 = 49,744.31/x
3. Step 3: Cross multiply
   105,888.25x = 158,785.74 × 49,744.31
4. Step 4: Simplify right side
   105,888.25x = 7,898,687,173.38
5. Step 5: Solve for x
   x = 7,898,687,173.38/105,888.25
6. Step 6: Final answer
   x = 74,594.56