Finding the Fourth Proportional to 76,083.12, 104,997.84 and 42,091.05

Step by Step Solution

1. Step 1: Write the proportion equation
   76,083.12 : 104,997.84 = 42,091.05 : x
2. Step 2: Convert to fraction form
   76,083.12/104,997.84 = 42,091.05/x
3. Step 3: Cross multiply
   76,083.12x = 104,997.84 × 42,091.05
4. Step 4: Simplify right side
   76,083.12x = 4,419,469,333.33
5. Step 5: Solve for x
   x = 4,419,469,333.33/76,083.12
6. Step 6: Final answer
   x = 58,087.38