Finding the Fourth Proportional to 2,566,839.09, 3,542,238.98 and 1,405,360.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,566,839.09 : 3,542,238.98 = 1,405,360.62 : x
2. Step 2: Convert to fraction form
   2,566,839.09/3,542,238.98 = 1,405,360.62/x
3. Step 3: Cross multiply
   2,566,839.09x = 3,542,238.98 × 1,405,360.62
4. Step 4: Simplify right side
   2,566,839.09x = 4,978,123,169,120.97
5. Step 5: Solve for x
   x = 4,978,123,169,120.97/2,566,839.09
6. Step 6: Final answer
   x = 1,939,398.22