Finding the Fourth Proportional to 3,513.72, 5,273.82 and 1,783.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,513.72 : 5,273.82 = 1,783.56 : x
2. Step 2: Convert to fraction form
   3,513.72/5,273.82 = 1,783.56/x
3. Step 3: Cross multiply
   3,513.72x = 5,273.82 × 1,783.56
4. Step 4: Simplify right side
   3,513.72x = 9,406,174.40
5. Step 5: Solve for x
   x = 9,406,174.40/3,513.72
6. Step 6: Final answer
   x = 2,676.98