Finding the Fourth Proportional to 4,907.46, 7,362.27 and 1,620.42

Step by Step Solution

1. Step 1: Write the proportion equation
   4,907.46 : 7,362.27 = 1,620.42 : x
2. Step 2: Convert to fraction form
   4,907.46/7,362.27 = 1,620.42/x
3. Step 3: Cross multiply
   4,907.46x = 7,362.27 × 1,620.42
4. Step 4: Simplify right side
   4,907.46x = 11,929,969.55
5. Step 5: Solve for x
   x = 11,929,969.55/4,907.46
6. Step 6: Final answer
   x = 2,430.99