Finding the Fourth Proportional to 1,768.80, 2,649.55 and 1,036.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,768.80 : 2,649.55 = 1,036.15 : x
2. Step 2: Convert to fraction form
   1,768.80/2,649.55 = 1,036.15/x
3. Step 3: Cross multiply
   1,768.80x = 2,649.55 × 1,036.15
4. Step 4: Simplify right side
   1,768.80x = 2,745,337.86
5. Step 5: Solve for x
   x = 2,745,337.86/1,768.80
6. Step 6: Final answer
   x = 1,552.09