Finding the Fourth Proportional to 1,132.58, 1,562.69 and 690.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,132.58 : 1,562.69 = 690.32 : x
2. Step 2: Convert to fraction form
   1,132.58/1,562.69 = 690.32/x
3. Step 3: Cross multiply
   1,132.58x = 1,562.69 × 690.32
4. Step 4: Simplify right side
   1,132.58x = 1,078,761.79
5. Step 5: Solve for x
   x = 1,078,761.79/1,132.58
6. Step 6: Final answer
   x = 952.48