Finding the Fourth Proportional to 3,514.78, 5,267.85 and 1,868.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,514.78 : 5,267.85 = 1,868.86 : x
2. Step 2: Convert to fraction form
   3,514.78/5,267.85 = 1,868.86/x
3. Step 3: Cross multiply
   3,514.78x = 5,267.85 × 1,868.86
4. Step 4: Simplify right side
   3,514.78x = 9,844,874.15
5. Step 5: Solve for x
   x = 9,844,874.15/3,514.78
6. Step 6: Final answer
   x = 2,800.99