Finding the Fourth Proportional to 1,040,256, 1,560,834.72 and 366,818.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040,256 : 1,560,834.72 = 366,818.31 : x
2. Step 2: Convert to fraction form
   1,040,256/1,560,834.72 = 366,818.31/x
3. Step 3: Cross multiply
   1,040,256x = 1,560,834.72 × 366,818.31
4. Step 4: Simplify right side
   1,040,256x = 572,542,754,179.72
5. Step 5: Solve for x
   x = 572,542,754,179.72/1,040,256
6. Step 6: Final answer
   x = 550,386.40