Finding the Fourth Proportional to 2,007.10, 2,769.69 and 1,260.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.10 : 2,769.69 = 1,260.82 : x
2. Step 2: Convert to fraction form
   2,007.10/2,769.69 = 1,260.82/x
3. Step 3: Cross multiply
   2,007.10x = 2,769.69 × 1,260.82
4. Step 4: Simplify right side
   2,007.10x = 3,492,080.55
5. Step 5: Solve for x
   x = 3,492,080.55/2,007.10
6. Step 6: Final answer
   x = 1,739.86