Finding the Fourth Proportional to 3,783.30, 5,676.78 and 1,704.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,783.30 : 5,676.78 = 1,704.78 : x
2. Step 2: Convert to fraction form
   3,783.30/5,676.78 = 1,704.78/x
3. Step 3: Cross multiply
   3,783.30x = 5,676.78 × 1,704.78
4. Step 4: Simplify right side
   3,783.30x = 9,677,661.01
5. Step 5: Solve for x
   x = 9,677,661.01/3,783.30
6. Step 6: Final answer
   x = 2,557.99