Finding the Fourth Proportional to 743,700.96, 1,026,315.24 and 404,169.20

Step by Step Solution

1. Step 1: Write the proportion equation
   743,700.96 : 1,026,315.24 = 404,169.20 : x
2. Step 2: Convert to fraction form
   743,700.96/1,026,315.24 = 404,169.20/x
3. Step 3: Cross multiply
   743,700.96x = 1,026,315.24 × 404,169.20
4. Step 4: Simplify right side
   743,700.96x = 414,805,009,498.61
5. Step 5: Solve for x
   x = 414,805,009,498.61/743,700.96
6. Step 6: Final answer
   x = 557,757.80