Finding the Fourth Proportional to 1,767.71, 2,649.76 and 1,152.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,767.71 : 2,649.76 = 1,152.65 : x
2. Step 2: Convert to fraction form
   1,767.71/2,649.76 = 1,152.65/x
3. Step 3: Cross multiply
   1,767.71x = 2,649.76 × 1,152.65
4. Step 4: Simplify right side
   1,767.71x = 3,054,245.86
5. Step 5: Solve for x
   x = 3,054,245.86/1,767.71
6. Step 6: Final answer
   x = 1,727.80