Finding the Fourth Proportional to 76,046.58, 104,942.39 and 42,056.96

Step by Step Solution

1. Step 1: Write the proportion equation
   76,046.58 : 104,942.39 = 42,056.96 : x
2. Step 2: Convert to fraction form
   76,046.58/104,942.39 = 42,056.96/x
3. Step 3: Cross multiply
   76,046.58x = 104,942.39 × 42,056.96
4. Step 4: Simplify right side
   76,046.58x = 4,413,557,163.54
5. Step 5: Solve for x
   x = 4,413,557,163.54/76,046.58
6. Step 6: Final answer
   x = 58,037.55