Finding the Fourth Proportional to 1,132.84, 1,562.34 and 712.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,132.84 : 1,562.34 = 712.72 : x
2. Step 2: Convert to fraction form
   1,132.84/1,562.34 = 712.72/x
3. Step 3: Cross multiply
   1,132.84x = 1,562.34 × 712.72
4. Step 4: Simplify right side
   1,132.84x = 1,113,510.96
5. Step 5: Solve for x
   x = 1,113,510.96/1,132.84
6. Step 6: Final answer
   x = 982.94