Finding the Fourth Proportional to 3,663.57, 5,492.91 and 2,020.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663.57 : 5,492.91 = 2,020.89 : x
2. Step 2: Convert to fraction form
   3,663.57/5,492.91 = 2,020.89/x
3. Step 3: Cross multiply
   3,663.57x = 5,492.91 × 2,020.89
4. Step 4: Simplify right side
   3,663.57x = 11,100,566.89
5. Step 5: Solve for x
   x = 11,100,566.89/3,663.57
6. Step 6: Final answer
   x = 3,029.99