Finding the Fourth Proportional to 2,614.60, 3,898.83 and 2,251.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,614.60 : 3,898.83 = 2,251.72 : x
2. Step 2: Convert to fraction form
   2,614.60/3,898.83 = 2,251.72/x
3. Step 3: Cross multiply
   2,614.60x = 3,898.83 × 2,251.72
4. Step 4: Simplify right side
   2,614.60x = 8,779,067.96
5. Step 5: Solve for x
   x = 8,779,067.96/2,614.60
6. Step 6: Final answer
   x = 3,357.71