Finding the Fourth Proportional to 1,127.82, 1,556.37 and 655.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,127.82 : 1,556.37 = 655.80 : x
2. Step 2: Convert to fraction form
   1,127.82/1,556.37 = 655.80/x
3. Step 3: Cross multiply
   1,127.82x = 1,556.37 × 655.80
4. Step 4: Simplify right side
   1,127.82x = 1,020,667.45
5. Step 5: Solve for x
   x = 1,020,667.45/1,127.82
6. Step 6: Final answer
   x = 904.99