Finding the Fourth Proportional to 2,014.55, 2,780.76 and 1,269.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,014.55 : 2,780.76 = 1,269.75 : x
2. Step 2: Convert to fraction form
   2,014.55/2,780.76 = 1,269.75/x
3. Step 3: Cross multiply
   2,014.55x = 2,780.76 × 1,269.75
4. Step 4: Simplify right side
   2,014.55x = 3,530,870.01
5. Step 5: Solve for x
   x = 3,530,870.01/2,014.55
6. Step 6: Final answer
   x = 1,752.68