Finding the Fourth Proportional to 5,573.89, 7,689.49 and 3,583.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,573.89 : 7,689.49 = 3,583.69 : x
2. Step 2: Convert to fraction form
   5,573.89/7,689.49 = 3,583.69/x
3. Step 3: Cross multiply
   5,573.89x = 7,689.49 × 3,583.69
4. Step 4: Simplify right side
   5,573.89x = 27,556,748.42
5. Step 5: Solve for x
   x = 27,556,748.42/5,573.89
6. Step 6: Final answer
   x = 4,943.90