Finding the Fourth Proportional to 105,574.76, 158,251.42 and 49,367.49

Step by Step Solution

1. Step 1: Write the proportion equation
   105,574.76 : 158,251.42 = 49,367.49 : x
2. Step 2: Convert to fraction form
   105,574.76/158,251.42 = 49,367.49/x
3. Step 3: Cross multiply
   105,574.76x = 158,251.42 × 49,367.49
4. Step 4: Simplify right side
   105,574.76x = 7,812,475,752.77
5. Step 5: Solve for x
   x = 7,812,475,752.77/105,574.76
6. Step 6: Final answer
   x = 73,999.47