Finding the Fourth Proportional to 1,087.43, 1,500.12 and 694.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,087.43 : 1,500.12 = 694.17 : x
2. Step 2: Convert to fraction form
   1,087.43/1,500.12 = 694.17/x
3. Step 3: Cross multiply
   1,087.43x = 1,500.12 × 694.17
4. Step 4: Simplify right side
   1,087.43x = 1,041,338.30
5. Step 5: Solve for x
   x = 1,041,338.30/1,087.43
6. Step 6: Final answer
   x = 957.62