Finding the Fourth Proportional to 3,916,064.99, 5,874,089.41 and 2,209,433.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,916,064.99 : 5,874,089.41 = 2,209,433.57 : x
2. Step 2: Convert to fraction form
   3,916,064.99/5,874,089.41 = 2,209,433.57/x
3. Step 3: Cross multiply
   3,916,064.99x = 5,874,089.41 × 2,209,433.57
4. Step 4: Simplify right side
   3,916,064.99x = 12,978,410,295,217.88
5. Step 5: Solve for x
   x = 12,978,410,295,217.88/3,916,064.99
6. Step 6: Final answer
   x = 3,314,145.79