Finding the Fourth Proportional to 76,380.73, 105,383.84 and 49,524.37

Step by Step Solution

1. Step 1: Write the proportion equation
   76,380.73 : 105,383.84 = 49,524.37 : x
2. Step 2: Convert to fraction form
   76,380.73/105,383.84 = 49,524.37/x
3. Step 3: Cross multiply
   76,380.73x = 105,383.84 × 49,524.37
4. Step 4: Simplify right side
   76,380.73x = 5,219,067,773.10
5. Step 5: Solve for x
   x = 5,219,067,773.10/76,380.73
6. Step 6: Final answer
   x = 68,329.64