Finding the Fourth Proportional to 4,804.72, 7,206.37 and 2,172.42

Step by Step Solution

1. Step 1: Write the proportion equation
   4,804.72 : 7,206.37 = 2,172.42 : x
2. Step 2: Convert to fraction form
   4,804.72/7,206.37 = 2,172.42/x
3. Step 3: Cross multiply
   4,804.72x = 7,206.37 × 2,172.42
4. Step 4: Simplify right side
   4,804.72x = 15,655,256.88
5. Step 5: Solve for x
   x = 15,655,256.88/4,804.72
6. Step 6: Final answer
   x = 3,258.31