Finding the Fourth Proportional to 2,014.20, 3,020.76 and 715.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,014.20 : 3,020.76 = 715.50 : x
2. Step 2: Convert to fraction form
   2,014.20/3,020.76 = 715.50/x
3. Step 3: Cross multiply
   2,014.20x = 3,020.76 × 715.50
4. Step 4: Simplify right side
   2,014.20x = 2,161,353.78
5. Step 5: Solve for x
   x = 2,161,353.78/2,014.20
6. Step 6: Final answer
   x = 1,073.06