Finding the Fourth Proportional to 3,076.77, 4,615.46 and 885.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,076.77 : 4,615.46 = 885.82 : x
2. Step 2: Convert to fraction form
   3,076.77/4,615.46 = 885.82/x
3. Step 3: Cross multiply
   3,076.77x = 4,615.46 × 885.82
4. Step 4: Simplify right side
   3,076.77x = 4,088,466.78
5. Step 5: Solve for x
   x = 4,088,466.78/3,076.77
6. Step 6: Final answer
   x = 1,328.82