Finding the Fourth Proportional to 2,074,320, 3,111,480 and 673,488

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074,320 : 3,111,480 = 673,488 : x
2. Step 2: Convert to fraction form
   2,074,320/3,111,480 = 673,488/x
3. Step 3: Cross multiply
   2,074,320x = 3,111,480 × 673,488
4. Step 4: Simplify right side
   2,074,320x = 2,095,544,442,240
5. Step 5: Solve for x
   x = 2,095,544,442,240/2,074,320
6. Step 6: Final answer
   x = 1,010,232