Finding the Fourth Proportional to 78,946.27, 108,945.88 and 42,647.73

Step by Step Solution

1. Step 1: Write the proportion equation
   78,946.27 : 108,945.88 = 42,647.73 : x
2. Step 2: Convert to fraction form
   78,946.27/108,945.88 = 42,647.73/x
3. Step 3: Cross multiply
   78,946.27x = 108,945.88 × 42,647.73
4. Step 4: Simplify right side
   78,946.27x = 4,646,293,959.69
5. Step 5: Solve for x
   x = 4,646,293,959.69/78,946.27
6. Step 6: Final answer
   x = 58,853.87