Finding the Fourth Proportional to 1,665,426, 2,498,208.12 and 483,474

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,426 : 2,498,208.12 = 483,474 : x
2. Step 2: Convert to fraction form
   1,665,426/2,498,208.12 = 483,474/x
3. Step 3: Cross multiply
   1,665,426x = 2,498,208.12 × 483,474
4. Step 4: Simplify right side
   1,665,426x = 1,207,818,672,608.88
5. Step 5: Solve for x
   x = 1,207,818,672,608.88/1,665,426
6. Step 6: Final answer
   x = 725,231.07