Finding the Fourth Proportional to 743,757.56, 1,026,385.56 and 404,225.82

Step by Step Solution

1. Step 1: Write the proportion equation
   743,757.56 : 1,026,385.56 = 404,225.82 : x
2. Step 2: Convert to fraction form
   743,757.56/1,026,385.56 = 404,225.82/x
3. Step 3: Cross multiply
   743,757.56x = 1,026,385.56 × 404,225.82
4. Step 4: Simplify right side
   743,757.56x = 414,891,544,627.16
5. Step 5: Solve for x
   x = 414,891,544,627.16/743,757.56
6. Step 6: Final answer
   x = 557,831.70