Finding the Fourth Proportional to 4,945.02, 7,419.87 and 2,480.10

Step by Step Solution

1. Step 1: Write the proportion equation
   4,945.02 : 7,419.87 = 2,480.10 : x
2. Step 2: Convert to fraction form
   4,945.02/7,419.87 = 2,480.10/x
3. Step 3: Cross multiply
   4,945.02x = 7,419.87 × 2,480.10
4. Step 4: Simplify right side
   4,945.02x = 18,402,019.59
5. Step 5: Solve for x
   x = 18,402,019.59/4,945.02
6. Step 6: Final answer
   x = 3,721.32