Finding the Fourth Proportional to 2,666,309.58, 3,679,481.05 and 1,442,588.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666,309.58 : 3,679,481.05 = 1,442,588.25 : x
2. Step 2: Convert to fraction form
   2,666,309.58/3,679,481.05 = 1,442,588.25/x
3. Step 3: Cross multiply
   2,666,309.58x = 3,679,481.05 × 1,442,588.25
4. Step 4: Simplify right side
   2,666,309.58x = 5,307,976,139,019.25
5. Step 5: Solve for x
   x = 5,307,976,139,019.25/2,666,309.58
6. Step 6: Final answer
   x = 1,990,757.63