Finding the Fourth Proportional to 1,086.84, 1,499.76 and 693.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086.84 : 1,499.76 = 693.54 : x
2. Step 2: Convert to fraction form
   1,086.84/1,499.76 = 693.54/x
3. Step 3: Cross multiply
   1,086.84x = 1,499.76 × 693.54
4. Step 4: Simplify right side
   1,086.84x = 1,040,143.55
5. Step 5: Solve for x
   x = 1,040,143.55/1,086.84
6. Step 6: Final answer
   x = 957.03