Finding the Fourth Proportional to 105,898.09, 158,800.49 and 49,754.16

Step by Step Solution

1. Step 1: Write the proportion equation
   105,898.09 : 158,800.49 = 49,754.16 : x
2. Step 2: Convert to fraction form
   105,898.09/158,800.49 = 49,754.16/x
3. Step 3: Cross multiply
   105,898.09x = 158,800.49 × 49,754.16
4. Step 4: Simplify right side
   105,898.09x = 7,900,984,987.54
5. Step 5: Solve for x
   x = 7,900,984,987.54/105,898.09
6. Step 6: Final answer
   x = 74,609.32