Finding the Fourth Proportional to 1,067.86, 1,598.55 and 953.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,067.86 : 1,598.55 = 953.38 : x
2. Step 2: Convert to fraction form
   1,067.86/1,598.55 = 953.38/x
3. Step 3: Cross multiply
   1,067.86x = 1,598.55 × 953.38
4. Step 4: Simplify right side
   1,067.86x = 1,524,025.60
5. Step 5: Solve for x
   x = 1,524,025.60/1,067.86
6. Step 6: Final answer
   x = 1,427.18