Finding the Fourth Proportional to 78,680.30, 108,579.30 and 46,850.54

Step by Step Solution

1. Step 1: Write the proportion equation
   78,680.30 : 108,579.30 = 46,850.54 : x
2. Step 2: Convert to fraction form
   78,680.30/108,579.30 = 46,850.54/x
3. Step 3: Cross multiply
   78,680.30x = 108,579.30 × 46,850.54
4. Step 4: Simplify right side
   78,680.30x = 5,086,998,837.82
5. Step 5: Solve for x
   x = 5,086,998,837.82/78,680.30
6. Step 6: Final answer
   x = 64,654.03