Finding the Fourth Proportional to 1,128.00, 1,556.55 and 655.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,128.00 : 1,556.55 = 655.81 : x
2. Step 2: Convert to fraction form
   1,128.00/1,556.55 = 655.81/x
3. Step 3: Cross multiply
   1,128.00x = 1,556.55 × 655.81
4. Step 4: Simplify right side
   1,128.00x = 1,020,797.16
5. Step 5: Solve for x
   x = 1,020,797.16/1,128.00
6. Step 6: Final answer
   x = 904.96