Finding the Fourth Proportional to 1,067.76, 1,462.82 and 1,030.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,067.76 : 1,462.82 = 1,030.77 : x
2. Step 2: Convert to fraction form
   1,067.76/1,462.82 = 1,030.77/x
3. Step 3: Cross multiply
   1,067.76x = 1,462.82 × 1,030.77
4. Step 4: Simplify right side
   1,067.76x = 1,507,825.82
5. Step 5: Solve for x
   x = 1,507,825.82/1,067.76
6. Step 6: Final answer
   x = 1,412.14