Finding the Fourth Proportional to 4,870,162.94, 7,305,034.79 and 1,275,850.31

Step by Step Solution

1. Step 1: Write the proportion equation
   4,870,162.94 : 7,305,034.79 = 1,275,850.31 : x
2. Step 2: Convert to fraction form
   4,870,162.94/7,305,034.79 = 1,275,850.31/x
3. Step 3: Cross multiply
   4,870,162.94x = 7,305,034.79 × 1,275,850.31
4. Step 4: Simplify right side
   4,870,162.94x = 9,320,130,858,477.86
5. Step 5: Solve for x
   x = 9,320,130,858,477.86/4,870,162.94
6. Step 6: Final answer
   x = 1,913,720.54