Finding the Fourth Proportional to 3,399.82, 4,692.01 and 1,907.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,399.82 : 4,692.01 = 1,907.86 : x
2. Step 2: Convert to fraction form
   3,399.82/4,692.01 = 1,907.86/x
3. Step 3: Cross multiply
   3,399.82x = 4,692.01 × 1,907.86
4. Step 4: Simplify right side
   3,399.82x = 8,951,698.20
5. Step 5: Solve for x
   x = 8,951,698.20/3,399.82
6. Step 6: Final answer
   x = 2,632.99