Finding the Fourth Proportional to 1,568.16, 2,164.30 and 1,127.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,568.16 : 2,164.30 = 1,127.52 : x
2. Step 2: Convert to fraction form
   1,568.16/2,164.30 = 1,127.52/x
3. Step 3: Cross multiply
   1,568.16x = 2,164.30 × 1,127.52
4. Step 4: Simplify right side
   1,568.16x = 2,440,291.54
5. Step 5: Solve for x
   x = 2,440,291.54/1,568.16
6. Step 6: Final answer
   x = 1,556.15