Finding the Fourth Proportional to 1,045.86, 1,443.54 and 714.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045.86 : 1,443.54 = 714.42 : x
2. Step 2: Convert to fraction form
   1,045.86/1,443.54 = 714.42/x
3. Step 3: Cross multiply
   1,045.86x = 1,443.54 × 714.42
4. Step 4: Simplify right side
   1,045.86x = 1,031,293.85
5. Step 5: Solve for x
   x = 1,031,293.85/1,045.86
6. Step 6: Final answer
   x = 986.07