Finding the Fourth Proportional to 2,074,388, 3,111,582 and 498,452

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074,388 : 3,111,582 = 498,452 : x
2. Step 2: Convert to fraction form
   2,074,388/3,111,582 = 498,452/x
3. Step 3: Cross multiply
   2,074,388x = 3,111,582 × 498,452
4. Step 4: Simplify right side
   2,074,388x = 1,550,974,271,064
5. Step 5: Solve for x
   x = 1,550,974,271,064/2,074,388
6. Step 6: Final answer
   x = 747,678