Finding the Fourth Proportional to 105,758.52, 158,591.07 and 49,553.31

Step by Step Solution

1. Step 1: Write the proportion equation
   105,758.52 : 158,591.07 = 49,553.31 : x
2. Step 2: Convert to fraction form
   105,758.52/158,591.07 = 49,553.31/x
3. Step 3: Cross multiply
   105,758.52x = 158,591.07 × 49,553.31
4. Step 4: Simplify right side
   105,758.52x = 7,858,712,454.94
5. Step 5: Solve for x
   x = 7,858,712,454.94/105,758.52
6. Step 6: Final answer
   x = 74,308.08