Finding the Fourth Proportional to 2,819.15, 4,225.87 and 1,357.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,819.15 : 4,225.87 = 1,357.50 : x
2. Step 2: Convert to fraction form
   2,819.15/4,225.87 = 1,357.50/x
3. Step 3: Cross multiply
   2,819.15x = 4,225.87 × 1,357.50
4. Step 4: Simplify right side
   2,819.15x = 5,736,618.53
5. Step 5: Solve for x
   x = 5,736,618.53/2,819.15
6. Step 6: Final answer
   x = 2,034.88