Finding the Fourth Proportional to 2,559.28, 3,836.68 and 2,124.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559.28 : 3,836.68 = 2,124.15 : x
2. Step 2: Convert to fraction form
   2,559.28/3,836.68 = 2,124.15/x
3. Step 3: Cross multiply
   2,559.28x = 3,836.68 × 2,124.15
4. Step 4: Simplify right side
   2,559.28x = 8,149,683.82
5. Step 5: Solve for x
   x = 8,149,683.82/2,559.28
6. Step 6: Final answer
   x = 3,184.37