Finding the Fourth Proportional to 4,900.80, 7,352.50 and 2,402.12

Step by Step Solution

1. Step 1: Write the proportion equation
   4,900.80 : 7,352.50 = 2,402.12 : x
2. Step 2: Convert to fraction form
   4,900.80/7,352.50 = 2,402.12/x
3. Step 3: Cross multiply
   4,900.80x = 7,352.50 × 2,402.12
4. Step 4: Simplify right side
   4,900.80x = 17,661,587.30
5. Step 5: Solve for x
   x = 17,661,587.30/4,900.80
6. Step 6: Final answer
   x = 3,603.82