Finding the Fourth Proportional to 743,574.17, 1,026,138.51 and 404,042.42

Step by Step Solution

1. Step 1: Write the proportion equation
   743,574.17 : 1,026,138.51 = 404,042.42 : x
2. Step 2: Convert to fraction form
   743,574.17/1,026,138.51 = 404,042.42/x
3. Step 3: Cross multiply
   743,574.17x = 1,026,138.51 × 404,042.42
4. Step 4: Simplify right side
   743,574.17x = 414,603,486,835.59
5. Step 5: Solve for x
   x = 414,603,486,835.59/743,574.17
6. Step 6: Final answer
   x = 557,581.88