Finding the Fourth Proportional to 16,603.97, 24,909.61 and 4,918.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,603.97 : 24,909.61 = 4,918.10 : x
2. Step 2: Convert to fraction form
   16,603.97/24,909.61 = 4,918.10/x
3. Step 3: Cross multiply
   16,603.97x = 24,909.61 × 4,918.10
4. Step 4: Simplify right side
   16,603.97x = 122,507,952.94
5. Step 5: Solve for x
   x = 122,507,952.94/16,603.97
6. Step 6: Final answer
   x = 7,378.23