Finding the Fourth Proportional to 3,673.64, 5,510.73 and 1,076.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,673.64 : 5,510.73 = 1,076.78 : x
2. Step 2: Convert to fraction form
   3,673.64/5,510.73 = 1,076.78/x
3. Step 3: Cross multiply
   3,673.64x = 5,510.73 × 1,076.78
4. Step 4: Simplify right side
   3,673.64x = 5,933,843.85
5. Step 5: Solve for x
   x = 5,933,843.85/3,673.64
6. Step 6: Final answer
   x = 1,615.25