Finding the Fourth Proportional to 8,687.34, 13,032.72 and 2,844

Step by Step Solution

1. Step 1: Write the proportion equation
   8,687.34 : 13,032.72 = 2,844 : x
2. Step 2: Convert to fraction form
   8,687.34/13,032.72 = 2,844/x
3. Step 3: Cross multiply
   8,687.34x = 13,032.72 × 2,844
4. Step 4: Simplify right side
   8,687.34x = 37,065,055.68
5. Step 5: Solve for x
   x = 37,065,055.68/8,687.34
6. Step 6: Final answer
   x = 4,266.56