Finding the Fourth Proportional to 3,061.14, 4,591.88 and 869.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.14 : 4,591.88 = 869.69 : x
2. Step 2: Convert to fraction form
   3,061.14/4,591.88 = 869.69/x
3. Step 3: Cross multiply
   3,061.14x = 4,591.88 × 869.69
4. Step 4: Simplify right side
   3,061.14x = 3,993,512.12
5. Step 5: Solve for x
   x = 3,993,512.12/3,061.14
6. Step 6: Final answer
   x = 1,304.58