Finding the Fourth Proportional to 1,134.72, 1,565.46 and 714.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,134.72 : 1,565.46 = 714.96 : x
2. Step 2: Convert to fraction form
   1,134.72/1,565.46 = 714.96/x
3. Step 3: Cross multiply
   1,134.72x = 1,565.46 × 714.96
4. Step 4: Simplify right side
   1,134.72x = 1,119,241.28
5. Step 5: Solve for x
   x = 1,119,241.28/1,134.72
6. Step 6: Final answer
   x = 986.36