Finding the Fourth Proportional to 395,736.72, 592,620.42 and 276,851.40

Step by Step Solution

1. Step 1: Write the proportion equation
   395,736.72 : 592,620.42 = 276,851.40 : x
2. Step 2: Convert to fraction form
   395,736.72/592,620.42 = 276,851.40/x
3. Step 3: Cross multiply
   395,736.72x = 592,620.42 × 276,851.40
4. Step 4: Simplify right side
   395,736.72x = 164,067,792,945.59
5. Step 5: Solve for x
   x = 164,067,792,945.59/395,736.72
6. Step 6: Final answer
   x = 414,588.25