Finding the Fourth Proportional to 3,636.82, 5,020.32 and 2,588.68

Step by Step Solution

1. Step 1: Write the proportion equation
   3,636.82 : 5,020.32 = 2,588.68 : x
2. Step 2: Convert to fraction form
   3,636.82/5,020.32 = 2,588.68/x
3. Step 3: Cross multiply
   3,636.82x = 5,020.32 × 2,588.68
4. Step 4: Simplify right side
   3,636.82x = 12,996,001.98
5. Step 5: Solve for x
   x = 12,996,001.98/3,636.82
6. Step 6: Final answer
   x = 3,573.45