Finding the Fourth Proportional to 1,087.09, 1,499.82 and 694.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,087.09 : 1,499.82 = 694.34 : x
2. Step 2: Convert to fraction form
   1,087.09/1,499.82 = 694.34/x
3. Step 3: Cross multiply
   1,087.09x = 1,499.82 × 694.34
4. Step 4: Simplify right side
   1,087.09x = 1,041,380.54
5. Step 5: Solve for x
   x = 1,041,380.54/1,087.09
6. Step 6: Final answer
   x = 957.95