Finding the Fourth Proportional to 4,967.55, 7,450.52 and 1,680.30

Step by Step Solution

1. Step 1: Write the proportion equation
   4,967.55 : 7,450.52 = 1,680.30 : x
2. Step 2: Convert to fraction form
   4,967.55/7,450.52 = 1,680.30/x
3. Step 3: Cross multiply
   4,967.55x = 7,450.52 × 1,680.30
4. Step 4: Simplify right side
   4,967.55x = 12,519,100.35
5. Step 5: Solve for x
   x = 12,519,100.35/4,967.55
6. Step 6: Final answer
   x = 2,520.18