Finding the Fourth Proportional to 3,714.69, 5,571.50 and 1,249.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,714.69 : 5,571.50 = 1,249.50 : x
2. Step 2: Convert to fraction form
   3,714.69/5,571.50 = 1,249.50/x
3. Step 3: Cross multiply
   3,714.69x = 5,571.50 × 1,249.50
4. Step 4: Simplify right side
   3,714.69x = 6,961,583.00
5. Step 5: Solve for x
   x = 6,961,583.00/3,714.69
6. Step 6: Final answer
   x = 1,874.07