Finding the Fourth Proportional to 3,938.56, 5,907.01 and 1,745.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,938.56 : 5,907.01 = 1,745.89 : x
2. Step 2: Convert to fraction form
   3,938.56/5,907.01 = 1,745.89/x
3. Step 3: Cross multiply
   3,938.56x = 5,907.01 × 1,745.89
4. Step 4: Simplify right side
   3,938.56x = 10,312,989.69
5. Step 5: Solve for x
   x = 10,312,989.69/3,938.56
6. Step 6: Final answer
   x = 2,618.47