Finding the Fourth Proportional to 105,761.04, 158,578.17 and 49,613.46

Step by Step Solution

1. Step 1: Write the proportion equation
   105,761.04 : 158,578.17 = 49,613.46 : x
2. Step 2: Convert to fraction form
   105,761.04/158,578.17 = 49,613.46/x
3. Step 3: Cross multiply
   105,761.04x = 158,578.17 × 49,613.46
4. Step 4: Simplify right side
   105,761.04x = 7,867,611,694.17
5. Step 5: Solve for x
   x = 7,867,611,694.17/105,761.04
6. Step 6: Final answer
   x = 74,390.45