Finding the Fourth Proportional to 869,418.06, 1,304,131.59 and 395,772.18

Step by Step Solution

1. Step 1: Write the proportion equation
   869,418.06 : 1,304,131.59 = 395,772.18 : x
2. Step 2: Convert to fraction form
   869,418.06/1,304,131.59 = 395,772.18/x
3. Step 3: Cross multiply
   869,418.06x = 1,304,131.59 × 395,772.18
4. Step 4: Simplify right side
   869,418.06x = 516,139,002,381.17
5. Step 5: Solve for x
   x = 516,139,002,381.17/869,418.06
6. Step 6: Final answer
   x = 593,660.32