Finding the Fourth Proportional to 2,866.08, 4,300.56 and 1,328.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,866.08 : 4,300.56 = 1,328.16 : x
2. Step 2: Convert to fraction form
   2,866.08/4,300.56 = 1,328.16/x
3. Step 3: Cross multiply
   2,866.08x = 4,300.56 × 1,328.16
4. Step 4: Simplify right side
   2,866.08x = 5,711,831.77
5. Step 5: Solve for x
   x = 5,711,831.77/2,866.08
6. Step 6: Final answer
   x = 1,992.91