Finding the Fourth Proportional to 76,012.73, 104,896.85 and 42,022.09

Step by Step Solution

1. Step 1: Write the proportion equation
   76,012.73 : 104,896.85 = 42,022.09 : x
2. Step 2: Convert to fraction form
   76,012.73/104,896.85 = 42,022.09/x
3. Step 3: Cross multiply
   76,012.73x = 104,896.85 × 42,022.09
4. Step 4: Simplify right side
   76,012.73x = 4,407,984,976.47
5. Step 5: Solve for x
   x = 4,407,984,976.47/76,012.73
6. Step 6: Final answer
   x = 57,990.09