Finding the Fourth Proportional to 1,329.52, 1,836.46 and 1,012.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,329.52 : 1,836.46 = 1,012.86 : x
2. Step 2: Convert to fraction form
   1,329.52/1,836.46 = 1,012.86/x
3. Step 3: Cross multiply
   1,329.52x = 1,836.46 × 1,012.86
4. Step 4: Simplify right side
   1,329.52x = 1,860,067.69
5. Step 5: Solve for x
   x = 1,860,067.69/1,329.52
6. Step 6: Final answer
   x = 1,399.05