Finding the Fourth Proportional to 2,520.43, 3,776.94 and 1,269.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.43 : 3,776.94 = 1,269.30 : x
2. Step 2: Convert to fraction form
   2,520.43/3,776.94 = 1,269.30/x
3. Step 3: Cross multiply
   2,520.43x = 3,776.94 × 1,269.30
4. Step 4: Simplify right side
   2,520.43x = 4,794,069.94
5. Step 5: Solve for x
   x = 4,794,069.94/2,520.43
6. Step 6: Final answer
   x = 1,902.08