Finding the Fourth Proportional to 4,938.72, 7,358.53 and 4,806.48

Step by Step Solution

1. Step 1: Write the proportion equation
   4,938.72 : 7,358.53 = 4,806.48 : x
2. Step 2: Convert to fraction form
   4,938.72/7,358.53 = 4,806.48/x
3. Step 3: Cross multiply
   4,938.72x = 7,358.53 × 4,806.48
4. Step 4: Simplify right side
   4,938.72x = 35,368,627.27
5. Step 5: Solve for x
   x = 35,368,627.27/4,938.72
6. Step 6: Final answer
   x = 7,161.50