Finding the Fourth Proportional to 1,132.76, 1,562.82 and 690.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,132.76 : 1,562.82 = 690.32 : x
2. Step 2: Convert to fraction form
   1,132.76/1,562.82 = 690.32/x
3. Step 3: Cross multiply
   1,132.76x = 1,562.82 × 690.32
4. Step 4: Simplify right side
   1,132.76x = 1,078,845.90
5. Step 5: Solve for x
   x = 1,078,845.90/1,132.76
6. Step 6: Final answer
   x = 952.40