Finding the Fourth Proportional to 2,080,045, 3,120,067.50 and 504,109

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080,045 : 3,120,067.50 = 504,109 : x
2. Step 2: Convert to fraction form
   2,080,045/3,120,067.50 = 504,109/x
3. Step 3: Cross multiply
   2,080,045x = 3,120,067.50 × 504,109
4. Step 4: Simplify right side
   2,080,045x = 1,572,854,107,357.50
5. Step 5: Solve for x
   x = 1,572,854,107,357.50/2,080,045
6. Step 6: Final answer
   x = 756,163.50