Finding the Fourth Proportional to 2,566,933.11, 3,542,409.78 and 1,405,360.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,566,933.11 : 3,542,409.78 = 1,405,360.10 : x
2. Step 2: Convert to fraction form
   2,566,933.11/3,542,409.78 = 1,405,360.10/x
3. Step 3: Cross multiply
   2,566,933.11x = 3,542,409.78 × 1,405,360.10
4. Step 4: Simplify right side
   2,566,933.11x = 4,978,361,362,661.78
5. Step 5: Solve for x
   x = 4,978,361,362,661.78/2,566,933.11
6. Step 6: Final answer
   x = 1,939,419.98