Finding the Fourth Proportional to 8,689.83, 13,036.56 and 2,845.98

Step by Step Solution

1. Step 1: Write the proportion equation
   8,689.83 : 13,036.56 = 2,845.98 : x
2. Step 2: Convert to fraction form
   8,689.83/13,036.56 = 2,845.98/x
3. Step 3: Cross multiply
   8,689.83x = 13,036.56 × 2,845.98
4. Step 4: Simplify right side
   8,689.83x = 37,101,789.03
5. Step 5: Solve for x
   x = 37,101,789.03/8,689.83
6. Step 6: Final answer
   x = 4,269.56