Finding the Fourth Proportional to 3,189,667.86, 4,401,847.94 and 1,739,442.65

Step by Step Solution

1. Step 1: Write the proportion equation
   3,189,667.86 : 4,401,847.94 = 1,739,442.65 : x
2. Step 2: Convert to fraction form
   3,189,667.86/4,401,847.94 = 1,739,442.65/x
3. Step 3: Cross multiply
   3,189,667.86x = 4,401,847.94 × 1,739,442.65
4. Step 4: Simplify right side
   3,189,667.86x = 7,656,762,014,944.19
5. Step 5: Solve for x
   x = 7,656,762,014,944.19/3,189,667.86
6. Step 6: Final answer
   x = 2,400,488.81