Finding the Fourth Proportional to 4,948.40, 7,417.56 and 2,756.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,948.40 : 7,417.56 = 2,756.72 : x
2. Step 2: Convert to fraction form
   4,948.40/7,417.56 = 2,756.72/x
3. Step 3: Cross multiply
   4,948.40x = 7,417.56 × 2,756.72
4. Step 4: Simplify right side
   4,948.40x = 20,448,136.00
5. Step 5: Solve for x
   x = 20,448,136.00/4,948.40
6. Step 6: Final answer
   x = 4,132.27