Finding the Fourth Proportional to 3,271.60, 4,908.27 and 1,191.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,271.60 : 4,908.27 = 1,191.79 : x
2. Step 2: Convert to fraction form
   3,271.60/4,908.27 = 1,191.79/x
3. Step 3: Cross multiply
   3,271.60x = 4,908.27 × 1,191.79
4. Step 4: Simplify right side
   3,271.60x = 5,849,627.10
5. Step 5: Solve for x
   x = 5,849,627.10/3,271.60
6. Step 6: Final answer
   x = 1,788.00