Finding the Fourth Proportional to 1,127.08, 1,555.27 and 679.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,127.08 : 1,555.27 = 679.03 : x
2. Step 2: Convert to fraction form
   1,127.08/1,555.27 = 679.03/x
3. Step 3: Cross multiply
   1,127.08x = 1,555.27 × 679.03
4. Step 4: Simplify right side
   1,127.08x = 1,056,069.40
5. Step 5: Solve for x
   x = 1,056,069.40/1,127.08
6. Step 6: Final answer
   x = 936.99