Finding the Fourth Proportional to 777,654, 1,073,162.52 and 419,958

Step by Step Solution

1. Step 1: Write the proportion equation
   777,654 : 1,073,162.52 = 419,958 : x
2. Step 2: Convert to fraction form
   777,654/1,073,162.52 = 419,958/x
3. Step 3: Cross multiply
   777,654x = 1,073,162.52 × 419,958
4. Step 4: Simplify right side
   777,654x = 450,683,185,574.16
5. Step 5: Solve for x
   x = 450,683,185,574.16/777,654
6. Step 6: Final answer
   x = 579,542.04