Finding the Fourth Proportional to 2,819.88, 3,856.91 and 2,774.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,819.88 : 3,856.91 = 2,774.52 : x
2. Step 2: Convert to fraction form
   2,819.88/3,856.91 = 2,774.52/x
3. Step 3: Cross multiply
   2,819.88x = 3,856.91 × 2,774.52
4. Step 4: Simplify right side
   2,819.88x = 10,701,060.06
5. Step 5: Solve for x
   x = 10,701,060.06/2,819.88
6. Step 6: Final answer
   x = 3,794.86