Finding the Fourth Proportional to 743,665.24, 1,026,254.10 and 404,134.84

Step by Step Solution

1. Step 1: Write the proportion equation
   743,665.24 : 1,026,254.10 = 404,134.84 : x
2. Step 2: Convert to fraction form
   743,665.24/1,026,254.10 = 404,134.84/x
3. Step 3: Cross multiply
   743,665.24x = 1,026,254.10 × 404,134.84
4. Step 4: Simplify right side
   743,665.24x = 414,745,036,502.84
5. Step 5: Solve for x
   x = 414,745,036,502.84/743,665.24
6. Step 6: Final answer
   x = 557,703.94