Finding the Fourth Proportional to 3,271.56, 4,907.77 and 1,191.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,271.56 : 4,907.77 = 1,191.25 : x
2. Step 2: Convert to fraction form
   3,271.56/4,907.77 = 1,191.25/x
3. Step 3: Cross multiply
   3,271.56x = 4,907.77 × 1,191.25
4. Step 4: Simplify right side
   3,271.56x = 5,846,350.52
5. Step 5: Solve for x
   x = 5,846,350.52/3,271.56
6. Step 6: Final answer
   x = 1,787.02