Finding the Fourth Proportional to 743,756.82, 1,026,384.52 and 404,225.07

Step by Step Solution

1. Step 1: Write the proportion equation
   743,756.82 : 1,026,384.52 = 404,225.07 : x
2. Step 2: Convert to fraction form
   743,756.82/1,026,384.52 = 404,225.07/x
3. Step 3: Cross multiply
   743,756.82x = 1,026,384.52 × 404,225.07
4. Step 4: Simplify right side
   743,756.82x = 414,890,354,443.92
5. Step 5: Solve for x
   x = 414,890,354,443.92/743,756.82
6. Step 6: Final answer
   x = 557,830.66