Finding the Fourth Proportional to 105,757.52, 158,589.57 and 49,552.31

Step by Step Solution

1. Step 1: Write the proportion equation
   105,757.52 : 158,589.57 = 49,552.31 : x
2. Step 2: Convert to fraction form
   105,757.52/158,589.57 = 49,552.31/x
3. Step 3: Cross multiply
   105,757.52x = 158,589.57 × 49,552.31
4. Step 4: Simplify right side
   105,757.52x = 7,858,478,742.46
5. Step 5: Solve for x
   x = 7,858,478,742.46/105,757.52
6. Step 6: Final answer
   x = 74,306.58