Finding the Fourth Proportional to 2,377.99, 3,567.55 and 712.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,377.99 : 3,567.55 = 712.25 : x
2. Step 2: Convert to fraction form
   2,377.99/3,567.55 = 712.25/x
3. Step 3: Cross multiply
   2,377.99x = 3,567.55 × 712.25
4. Step 4: Simplify right side
   2,377.99x = 2,540,987.49
5. Step 5: Solve for x
   x = 2,540,987.49/2,377.99
6. Step 6: Final answer
   x = 1,068.55