Finding the Fourth Proportional to 2,011.15, 2,776.71 and 1,265.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,011.15 : 2,776.71 = 1,265.14 : x
2. Step 2: Convert to fraction form
   2,011.15/2,776.71 = 1,265.14/x
3. Step 3: Cross multiply
   2,011.15x = 2,776.71 × 1,265.14
4. Step 4: Simplify right side
   2,011.15x = 3,512,926.89
5. Step 5: Solve for x
   x = 3,512,926.89/2,011.15
6. Step 6: Final answer
   x = 1,746.73