Finding the Fourth Proportional to 774.02, 1,158.72 and 694.83

Step by Step Solution

1. Step 1: Write the proportion equation
   774.02 : 1,158.72 = 694.83 : x
2. Step 2: Convert to fraction form
   774.02/1,158.72 = 694.83/x
3. Step 3: Cross multiply
   774.02x = 1,158.72 × 694.83
4. Step 4: Simplify right side
   774.02x = 805,113.42
5. Step 5: Solve for x
   x = 805,113.42/774.02
6. Step 6: Final answer
   x = 1,040.18