Finding the Fourth Proportional to 105,574.58, 158,251.14 and 49,367.31

Step by Step Solution

1. Step 1: Write the proportion equation
   105,574.58 : 158,251.14 = 49,367.31 : x
2. Step 2: Convert to fraction form
   105,574.58/158,251.14 = 49,367.31/x
3. Step 3: Cross multiply
   105,574.58x = 158,251.14 × 49,367.31
4. Step 4: Simplify right side
   105,574.58x = 7,812,433,086.23
5. Step 5: Solve for x
   x = 7,812,433,086.23/105,574.58
6. Step 6: Final answer
   x = 73,999.19