Finding the Fourth Proportional to 5,752.41, 8,639.55 and 3,576.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,752.41 : 8,639.55 = 3,576.34 : x
2. Step 2: Convert to fraction form
   5,752.41/8,639.55 = 3,576.34/x
3. Step 3: Cross multiply
   5,752.41x = 8,639.55 × 3,576.34
4. Step 4: Simplify right side
   5,752.41x = 30,897,968.25
5. Step 5: Solve for x
   x = 30,897,968.25/5,752.41
6. Step 6: Final answer
   x = 5,371.31