Finding the Fourth Proportional to 78,456.63, 117,618.60 and 34,050

Step by Step Solution

1. Step 1: Write the proportion equation
   78,456.63 : 117,618.60 = 34,050 : x
2. Step 2: Convert to fraction form
   78,456.63/117,618.60 = 34,050/x
3. Step 3: Cross multiply
   78,456.63x = 117,618.60 × 34,050
4. Step 4: Simplify right side
   78,456.63x = 4,004,913,330
5. Step 5: Solve for x
   x = 4,004,913,330/78,456.63
6. Step 6: Final answer
   x = 51,046.21