Finding the Fourth Proportional to 3,061.24, 4,591.86 and 869.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.24 : 4,591.86 = 869.69 : x
2. Step 2: Convert to fraction form
   3,061.24/4,591.86 = 869.69/x
3. Step 3: Cross multiply
   3,061.24x = 4,591.86 × 869.69
4. Step 4: Simplify right side
   3,061.24x = 3,993,484.45
5. Step 5: Solve for x
   x = 3,993,484.45/3,061.24
6. Step 6: Final answer
   x = 1,304.53