Finding the Fourth Proportional to 2,651.50, 3,975.49 and 1,265.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,651.50 : 3,975.49 = 1,265.05 : x
2. Step 2: Convert to fraction form
   2,651.50/3,975.49 = 1,265.05/x
3. Step 3: Cross multiply
   2,651.50x = 3,975.49 × 1,265.05
4. Step 4: Simplify right side
   2,651.50x = 5,029,193.62
5. Step 5: Solve for x
   x = 5,029,193.62/2,651.50
6. Step 6: Final answer
   x = 1,896.74