Finding the Fourth Proportional to 743,563.47, 1,026,115.59 and 404,031.72

Step by Step Solution

1. Step 1: Write the proportion equation
   743,563.47 : 1,026,115.59 = 404,031.72 : x
2. Step 2: Convert to fraction form
   743,563.47/1,026,115.59 = 404,031.72/x
3. Step 3: Cross multiply
   743,563.47x = 1,026,115.59 × 404,031.72
4. Step 4: Simplify right side
   743,563.47x = 414,583,246,746.52
5. Step 5: Solve for x
   x = 414,583,246,746.52/743,563.47
6. Step 6: Final answer
   x = 557,562.69