Finding the Fourth Proportional to 1,127.91, 1,556.61 and 655.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,127.91 : 1,556.61 = 655.98 : x
2. Step 2: Convert to fraction form
   1,127.91/1,556.61 = 655.98/x
3. Step 3: Cross multiply
   1,127.91x = 1,556.61 × 655.98
4. Step 4: Simplify right side
   1,127.91x = 1,021,105.03
5. Step 5: Solve for x
   x = 1,021,105.03/1,127.91
6. Step 6: Final answer
   x = 905.31