Finding the Fourth Proportional to 105,901.10, 158,805 and 49,757.18

Step by Step Solution

1. Step 1: Write the proportion equation
   105,901.10 : 158,805 = 49,757.18 : x
2. Step 2: Convert to fraction form
   105,901.10/158,805 = 49,757.18/x
3. Step 3: Cross multiply
   105,901.10x = 158,805 × 49,757.18
4. Step 4: Simplify right side
   105,901.10x = 7,901,688,969.90
5. Step 5: Solve for x
   x = 7,901,688,969.90/105,901.10
6. Step 6: Final answer
   x = 74,613.85