Finding the Fourth Proportional to 2,066.91, 3,098.55 and 767.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.91 : 3,098.55 = 767.47 : x
2. Step 2: Convert to fraction form
   2,066.91/3,098.55 = 767.47/x
3. Step 3: Cross multiply
   2,066.91x = 3,098.55 × 767.47
4. Step 4: Simplify right side
   2,066.91x = 2,378,040.33
5. Step 5: Solve for x
   x = 2,378,040.33/2,066.91
6. Step 6: Final answer
   x = 1,150.53