Finding the Fourth Proportional to 1,766.91, 2,651.74 and 1,149.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,766.91 : 2,651.74 = 1,149.09 : x
2. Step 2: Convert to fraction form
   1,766.91/2,651.74 = 1,149.09/x
3. Step 3: Cross multiply
   1,766.91x = 2,651.74 × 1,149.09
4. Step 4: Simplify right side
   1,766.91x = 3,047,075.10
5. Step 5: Solve for x
   x = 3,047,075.10/1,766.91
6. Step 6: Final answer
   x = 1,724.52