Finding the Fourth Proportional to 3,777.33, 5,667.85 and 1,698.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,777.33 : 5,667.85 = 1,698.80 : x
2. Step 2: Convert to fraction form
   3,777.33/5,667.85 = 1,698.80/x
3. Step 3: Cross multiply
   3,777.33x = 5,667.85 × 1,698.80
4. Step 4: Simplify right side
   3,777.33x = 9,628,532.25
5. Step 5: Solve for x
   x = 9,628,532.25/3,777.33
6. Step 6: Final answer
   x = 2,549.03