Finding the Fourth Proportional to 1,132.32, 1,562.15 and 712.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,132.32 : 1,562.15 = 712.53 : x
2. Step 2: Convert to fraction form
   1,132.32/1,562.15 = 712.53/x
3. Step 3: Cross multiply
   1,132.32x = 1,562.15 × 712.53
4. Step 4: Simplify right side
   1,132.32x = 1,113,075.18
5. Step 5: Solve for x
   x = 1,113,075.18/1,132.32
6. Step 6: Final answer
   x = 983.00