Finding the Fourth Proportional to 3,404.02, 4,697.88 and 2,078.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,404.02 : 4,697.88 = 2,078.62 : x
2. Step 2: Convert to fraction form
   3,404.02/4,697.88 = 2,078.62/x
3. Step 3: Cross multiply
   3,404.02x = 4,697.88 × 2,078.62
4. Step 4: Simplify right side
   3,404.02x = 9,765,107.33
5. Step 5: Solve for x
   x = 9,765,107.33/3,404.02
6. Step 6: Final answer
   x = 2,868.70