Finding the Fourth Proportional to 5,554.96, 7,662.27 and 3,315.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,554.96 : 7,662.27 = 3,315.12 : x
2. Step 2: Convert to fraction form
   5,554.96/7,662.27 = 3,315.12/x
3. Step 3: Cross multiply
   5,554.96x = 7,662.27 × 3,315.12
4. Step 4: Simplify right side
   5,554.96x = 25,401,344.52
5. Step 5: Solve for x
   x = 25,401,344.52/5,554.96
6. Step 6: Final answer
   x = 4,572.73