Finding the Fourth Proportional to 76,185.75, 105,112.02 and 49,348.83

Step by Step Solution

1. Step 1: Write the proportion equation
   76,185.75 : 105,112.02 = 49,348.83 : x
2. Step 2: Convert to fraction form
   76,185.75/105,112.02 = 49,348.83/x
3. Step 3: Cross multiply
   76,185.75x = 105,112.02 × 49,348.83
4. Step 4: Simplify right side
   76,185.75x = 5,187,155,205.94
5. Step 5: Solve for x
   x = 5,187,155,205.94/76,185.75
6. Step 6: Final answer
   x = 68,085.64