Finding the Fourth Proportional to 78,794.38, 108,736.05 and 42,984.37

Step by Step Solution

1. Step 1: Write the proportion equation
   78,794.38 : 108,736.05 = 42,984.37 : x
2. Step 2: Convert to fraction form
   78,794.38/108,736.05 = 42,984.37/x
3. Step 3: Cross multiply
   78,794.38x = 108,736.05 × 42,984.37
4. Step 4: Simplify right side
   78,794.38x = 4,673,950,605.54
5. Step 5: Solve for x
   x = 4,673,950,605.54/78,794.38
6. Step 6: Final answer
   x = 59,318.32