Finding the Fourth Proportional to 2,167.48, 3,249.78 and 1,771.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167.48 : 3,249.78 = 1,771.12 : x
2. Step 2: Convert to fraction form
   2,167.48/3,249.78 = 1,771.12/x
3. Step 3: Cross multiply
   2,167.48x = 3,249.78 × 1,771.12
4. Step 4: Simplify right side
   2,167.48x = 5,755,750.35
5. Step 5: Solve for x
   x = 5,755,750.35/2,167.48
6. Step 6: Final answer
   x = 2,655.50