Finding the Fourth Proportional to 1,039,285.25, 1,434,142.12 and 574,118.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039,285.25 : 1,434,142.12 = 574,118.55 : x
2. Step 2: Convert to fraction form
   1,039,285.25/1,434,142.12 = 574,118.55/x
3. Step 3: Cross multiply
   1,039,285.25x = 1,434,142.12 × 574,118.55
4. Step 4: Simplify right side
   1,039,285.25x = 823,367,594,428.33
5. Step 5: Solve for x
   x = 823,367,594,428.33/1,039,285.25
6. Step 6: Final answer
   x = 792,244.09