Finding the Fourth Proportional to 8,243, 12,364.56 and 2,087

Step by Step Solution

1. Step 1: Write the proportion equation
   8,243 : 12,364.56 = 2,087 : x
2. Step 2: Convert to fraction form
   8,243/12,364.56 = 2,087/x
3. Step 3: Cross multiply
   8,243x = 12,364.56 × 2,087
4. Step 4: Simplify right side
   8,243x = 25,804,836.72
5. Step 5: Solve for x
   x = 25,804,836.72/8,243
6. Step 6: Final answer
   x = 3,130.52