Finding the Fourth Proportional to 105,899.10, 158,801.98 and 49,755.16

Step by Step Solution

1. Step 1: Write the proportion equation
   105,899.10 : 158,801.98 = 49,755.16 : x
2. Step 2: Convert to fraction form
   105,899.10/158,801.98 = 49,755.16/x
3. Step 3: Cross multiply
   105,899.10x = 158,801.98 × 49,755.16
4. Step 4: Simplify right side
   105,899.10x = 7,901,217,923.22
5. Step 5: Solve for x
   x = 7,901,217,923.22/105,899.10
6. Step 6: Final answer
   x = 74,610.81