Finding the Fourth Proportional to 1,160.44, 1,601.81 and 694.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,160.44 : 1,601.81 = 694.69 : x
2. Step 2: Convert to fraction form
   1,160.44/1,601.81 = 694.69/x
3. Step 3: Cross multiply
   1,160.44x = 1,601.81 × 694.69
4. Step 4: Simplify right side
   1,160.44x = 1,112,756.52
5. Step 5: Solve for x
   x = 1,112,756.52/1,160.44
6. Step 6: Final answer
   x = 958.91