Finding the Fourth Proportional to 7,282.50, 10,049.89 and 4,257.80

Step by Step Solution

1. Step 1: Write the proportion equation
   7,282.50 : 10,049.89 = 4,257.80 : x
2. Step 2: Convert to fraction form
   7,282.50/10,049.89 = 4,257.80/x
3. Step 3: Cross multiply
   7,282.50x = 10,049.89 × 4,257.80
4. Step 4: Simplify right side
   7,282.50x = 42,790,421.64
5. Step 5: Solve for x
   x = 42,790,421.64/7,282.50
6. Step 6: Final answer
   x = 5,875.79