Finding the Fourth Proportional to 2,566,899.12, 3,542,362.56 and 1,405,325.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,566,899.12 : 3,542,362.56 = 1,405,325.78 : x
2. Step 2: Convert to fraction form
   2,566,899.12/3,542,362.56 = 1,405,325.78/x
3. Step 3: Cross multiply
   2,566,899.12x = 3,542,362.56 × 1,405,325.78
4. Step 4: Simplify right side
   2,566,899.12x = 4,978,173,409,962.98
5. Step 5: Solve for x
   x = 4,978,173,409,962.98/2,566,899.12
6. Step 6: Final answer
   x = 1,939,372.44