Finding the Fourth Proportional to 2,010.72, 2,776.56 and 1,265.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010.72 : 2,776.56 = 1,265.96 : x
2. Step 2: Convert to fraction form
   2,010.72/2,776.56 = 1,265.96/x
3. Step 3: Cross multiply
   2,010.72x = 2,776.56 × 1,265.96
4. Step 4: Simplify right side
   2,010.72x = 3,515,013.90
5. Step 5: Solve for x
   x = 3,515,013.90/2,010.72
6. Step 6: Final answer
   x = 1,748.14