Finding the Fourth Proportional to 105,892.97, 158,792.81 and 49,749.03

Step by Step Solution

1. Step 1: Write the proportion equation
   105,892.97 : 158,792.81 = 49,749.03 : x
2. Step 2: Convert to fraction form
   105,892.97/158,792.81 = 49,749.03/x
3. Step 3: Cross multiply
   105,892.97x = 158,792.81 × 49,749.03
4. Step 4: Simplify right side
   105,892.97x = 7,899,788,019.73
5. Step 5: Solve for x
   x = 7,899,788,019.73/105,892.97
6. Step 6: Final answer
   x = 74,601.63