Finding the Fourth Proportional to 1,528.08, 2,289.72 and 1,182.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,528.08 : 2,289.72 = 1,182.28 : x
2. Step 2: Convert to fraction form
   1,528.08/2,289.72 = 1,182.28/x
3. Step 3: Cross multiply
   1,528.08x = 2,289.72 × 1,182.28
4. Step 4: Simplify right side
   1,528.08x = 2,707,078.71
5. Step 5: Solve for x
   x = 2,707,078.71/1,528.08
6. Step 6: Final answer
   x = 1,771.56