Finding the Fourth Proportional to 3,277.60, 4,914.72 and 1,086.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,277.60 : 4,914.72 = 1,086.08 : x
2. Step 2: Convert to fraction form
   3,277.60/4,914.72 = 1,086.08/x
3. Step 3: Cross multiply
   3,277.60x = 4,914.72 × 1,086.08
4. Step 4: Simplify right side
   3,277.60x = 5,337,779.10
5. Step 5: Solve for x
   x = 5,337,779.10/3,277.60
6. Step 6: Final answer
   x = 1,628.56