Finding the Fourth Proportional to 105,891.94, 158,791.27 and 49,748

Step by Step Solution

1. Step 1: Write the proportion equation
   105,891.94 : 158,791.27 = 49,748 : x
2. Step 2: Convert to fraction form
   105,891.94/158,791.27 = 49,748/x
3. Step 3: Cross multiply
   105,891.94x = 158,791.27 × 49,748
4. Step 4: Simplify right side
   105,891.94x = 7,899,548,099.96
5. Step 5: Solve for x
   x = 7,899,548,099.96/105,891.94
6. Step 6: Final answer
   x = 74,600.09