Finding the Fourth Proportional to 1,132.80, 1,562.52 and 690.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,132.80 : 1,562.52 = 690.84 : x
2. Step 2: Convert to fraction form
   1,132.80/1,562.52 = 690.84/x
3. Step 3: Cross multiply
   1,132.80x = 1,562.52 × 690.84
4. Step 4: Simplify right side
   1,132.80x = 1,079,451.32
5. Step 5: Solve for x
   x = 1,079,451.32/1,132.80
6. Step 6: Final answer
   x = 952.91