Finding the Fourth Proportional to 1,222,786.56, 1,684,669.52 and 946,193.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,222,786.56 : 1,684,669.52 = 946,193.28 : x
2. Step 2: Convert to fraction form
   1,222,786.56/1,684,669.52 = 946,193.28/x
3. Step 3: Cross multiply
   1,222,786.56x = 1,684,669.52 × 946,193.28
4. Step 4: Simplify right side
   1,222,786.56x = 1,594,022,978,844.83
5. Step 5: Solve for x
   x = 1,594,022,978,844.83/1,222,786.56
6. Step 6: Final answer
   x = 1,303,598.71