Finding the Fourth Proportional to 1,034,994, 1,552,491 and 287,040

Step by Step Solution

1. Step 1: Write the proportion equation
   1,034,994 : 1,552,491 = 287,040 : x
2. Step 2: Convert to fraction form
   1,034,994/1,552,491 = 287,040/x
3. Step 3: Cross multiply
   1,034,994x = 1,552,491 × 287,040
4. Step 4: Simplify right side
   1,034,994x = 445,627,016,640
5. Step 5: Solve for x
   x = 445,627,016,640/1,034,994
6. Step 6: Final answer
   x = 430,560