Finding the Fourth Proportional to 1,446.15, 2,167.86 and 714.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.15 : 2,167.86 = 714.42 : x
2. Step 2: Convert to fraction form
   1,446.15/2,167.86 = 714.42/x
3. Step 3: Cross multiply
   1,446.15x = 2,167.86 × 714.42
4. Step 4: Simplify right side
   1,446.15x = 1,548,765.22
5. Step 5: Solve for x
   x = 1,548,765.22/1,446.15
6. Step 6: Final answer
   x = 1,070.95