Finding the Fourth Proportional to 2,567,129.62, 3,542,504.18 and 1,405,353.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,567,129.62 : 3,542,504.18 = 1,405,353.16 : x
2. Step 2: Convert to fraction form
   2,567,129.62/3,542,504.18 = 1,405,353.16/x
3. Step 3: Cross multiply
   2,567,129.62x = 3,542,504.18 × 1,405,353.16
4. Step 4: Simplify right side
   2,567,129.62x = 4,978,469,443,676.21
5. Step 5: Solve for x
   x = 4,978,469,443,676.21/2,567,129.62
6. Step 6: Final answer
   x = 1,939,313.62