Finding the Fourth Proportional to 2,067.47, 3,100.38 and 768.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,067.47 : 3,100.38 = 768.50 : x
2. Step 2: Convert to fraction form
   2,067.47/3,100.38 = 768.50/x
3. Step 3: Cross multiply
   2,067.47x = 3,100.38 × 768.50
4. Step 4: Simplify right side
   2,067.47x = 2,382,642.03
5. Step 5: Solve for x
   x = 2,382,642.03/2,067.47
6. Step 6: Final answer
   x = 1,152.44