Finding the Fourth Proportional to 1,156.48, 1,596.22 and 714.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.48 : 1,596.22 = 714.72 : x
2. Step 2: Convert to fraction form
   1,156.48/1,596.22 = 714.72/x
3. Step 3: Cross multiply
   1,156.48x = 1,596.22 × 714.72
4. Step 4: Simplify right side
   1,156.48x = 1,140,850.36
5. Step 5: Solve for x
   x = 1,140,850.36/1,156.48
6. Step 6: Final answer
   x = 986.49