Finding the Fourth Proportional to 3,775.83, 5,660.72 and 1,309.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,775.83 : 5,660.72 = 1,309.38 : x
2. Step 2: Convert to fraction form
   3,775.83/5,660.72 = 1,309.38/x
3. Step 3: Cross multiply
   3,775.83x = 5,660.72 × 1,309.38
4. Step 4: Simplify right side
   3,775.83x = 7,412,005.25
5. Step 5: Solve for x
   x = 7,412,005.25/3,775.83
6. Step 6: Final answer
   x = 1,963.02