Finding the Fourth Proportional to 2,576.52, 3,867.24 and 1,874.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,576.52 : 3,867.24 = 1,874.28 : x
2. Step 2: Convert to fraction form
   2,576.52/3,867.24 = 1,874.28/x
3. Step 3: Cross multiply
   2,576.52x = 3,867.24 × 1,874.28
4. Step 4: Simplify right side
   2,576.52x = 7,248,290.59
5. Step 5: Solve for x
   x = 7,248,290.59/2,576.52
6. Step 6: Final answer
   x = 2,813.21