Finding the Fourth Proportional to 105,367.38, 158,050.89 and 49,188.66

Step by Step Solution

1. Step 1: Write the proportion equation
   105,367.38 : 158,050.89 = 49,188.66 : x
2. Step 2: Convert to fraction form
   105,367.38/158,050.89 = 49,188.66/x
3. Step 3: Cross multiply
   105,367.38x = 158,050.89 × 49,188.66
4. Step 4: Simplify right side
   105,367.38x = 7,774,311,490.91
5. Step 5: Solve for x
   x = 7,774,311,490.91/105,367.38
6. Step 6: Final answer
   x = 73,782.91